Ultros, Obnoxious Octopus

cast a battle — 100 cards in the game can cause this.

1. Madame Web, Clairvoyant — When a Spider is cast thanks to Madame Web, Clairvoyant, Ultros, Obnoxious Octopus taps a creature an opponent controls
2. The Key to the Vault — When The Key to the Vault is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
3. Jace, Architect of Thought — When Jace, Architect of Thought is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
4. Invasion of Arcavios // Invocation of the Founders — When Invasion of Arcavios // Invocation of the Founders is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
5. Reenact the Crime — When Reenact the Crime is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
6. Treasure Keeper — When an artifact is cast thanks to Treasure Keeper, Ultros, Obnoxious Octopus taps a creature an opponent controls
7. Vision, Spectral Synthezoid — When a Robot is cast thanks to Vision, Spectral Synthezoid, Ultros, Obnoxious Octopus taps a creature an opponent controls
8. Haldan, Avid Arcanist — When an artifact is cast thanks to Haldan, Avid Arcanist, Ultros, Obnoxious Octopus taps a creature an opponent controls
9. Yue, the Moon Spirit — When an artifact is cast thanks to Yue, the Moon Spirit, Ultros, Obnoxious Octopus taps a creature an opponent controls
10. Wondrous Crucible — When Wondrous Crucible is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls

90 other cards cause it too. These are the ones with the most connections.

cast a planeswalker — 361 cards in the game can cause this.

1. Kaito, Cunning Infiltrator — When Kaito, Cunning Infiltrator is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
2. Tezzeret, Cruel Captain — When Tezzeret, Cruel Captain is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
3. Teferi, Temporal Pilgrim — When Teferi, Temporal Pilgrim is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
4. Karn, Scion of Urza — When Karn, Scion of Urza is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
5. Chandra, Chill of Compliance — When Chandra, Chill of Compliance is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
6. Jace, Cunning Castaway — When Jace, Cunning Castaway is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
7. Kasmina, Enigmatic Mentor — When Kasmina, Enigmatic Mentor is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
8. Tezzeret, Artifice Master — When Tezzeret, Artifice Master is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
9. The Theorist, Jace Beleren — When The Theorist, Jace Beleren is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
10. Mordenkainen — When Mordenkainen is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls

351 other cards cause it too. These are the ones with the most connections.

a creature becomes tapped — 565 cards in the game can cause this (Ultros is one).

When a creature becomes tapped thanks to Ultros, Obnoxious Octopus:

1. Stinging Licid — deals 2 damage
2. Gideon's Avenger — puts a +1/+1 counter on itself
3. Lust for War — deals 3 damage
4. Insolence — deals 2 damage
5. Seizures — deals 3 damage
6. Betrayal — draws you 1 card
7. Spirit Shackle — puts a counter on a permanent
8. Palliation Accord — puts a palliation counter on itself
9. Cryoshatter — kills a creature
10. Don't Move — kills a creature

11 other cards care about it too. These are the ones with the most connections.

a creature gets a counter — 2,691 cards in the game can cause this (Ultros is one).

1. Hollowmurk Siege — When a permanent gets a counter thanks to Ultros, Obnoxious Octopus, Hollowmurk Siege draws you 1 card
2. Ant-Man, Colony Commander — When Ultros, Obnoxious Octopus gets a counter, Ant-Man, Colony Commander makes a token
3. Earth Kingdom General — When Ultros, Obnoxious Octopus gets a counter, Earth Kingdom General gains you that much life
4. Casey Jones, Back Alley Brute — When Ultros, Obnoxious Octopus gets a counter, Casey Jones, Back Alley Brute deals that much damage
5. Generous Patron — When a permanent gets a counter thanks to Ultros, Obnoxious Octopus, Generous Patron draws you 1 card
6. Shalai and Hallar — When Ultros, Obnoxious Octopus gets a counter, Shalai and Hallar deals that much damage
7. Danny Pink — When a permanent gets a counter thanks to Ultros, Obnoxious Octopus, Danny Pink draws you 1 card
8. Enduring Scalelord — When Ultros, Obnoxious Octopus gets a counter, Enduring Scalelord puts a +1/+1 counter on itself
9. Bold Plagiarist — When a permanent gets a counter thanks to Ultros, Obnoxious Octopus, Bold Plagiarist puts counters on a permanent
10. Mikey & Leo, Chaos & Order — When a permanent gets a counter thanks to Ultros, Obnoxious Octopus, Mikey & Leo, Chaos & Order draws you 1 card

33 other cards care about it too. These are the ones with the most connections.

cast an enchantment — 3,673 cards in the game can cause this.

1. Candlekeep Sage — When Candlekeep Sage is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
2. They Came from the Pipes — When They Came from the Pipes is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
3. Illusory Gains — When Illusory Gains is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
4. Intruder Alarm — When Intruder Alarm is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
5. Virtue of Knowledge // Vantress Visions — When Virtue of Knowledge // Vantress Visions is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
6. Overburden — When Overburden is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
7. Kozilek's Unsealing — When Kozilek's Unsealing is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
8. Thopter Spy Network — When Thopter Spy Network is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
9. Mirror Mockery — When Mirror Mockery is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
10. Case of the Shifting Visage — When Case of the Shifting Visage is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls

3,663 other cards cause it too. These are the ones with the most connections.

cast an artifact — 3,683 cards in the game can cause this.

1. Chimeric Egg — When Chimeric Egg is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
2. Tome of Legends — When Tome of Legends is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
3. Cloudstone Curio — When Cloudstone Curio is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
4. Symmetry Matrix — When Symmetry Matrix is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
5. Decoction Module — When Decoction Module is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
6. The Irencrag — When The Irencrag is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
7. Angel's Tomb — When Angel's Tomb is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
8. Peter Parker's Camera — When Peter Parker's Camera is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
9. Sword of Once and Future — When an instant is cast thanks to Sword of Once and Future, Ultros, Obnoxious Octopus taps a creature an opponent controls
10. Vanquisher's Banner — When Vanquisher's Banner is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls

3,673 other cards cause it too. These are the ones with the most connections.

cast a sorcery — 3,720 cards in the game can cause this.

1. Mission Briefing — When Mission Briefing is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
2. Sorcerous Squall — When Sorcerous Squall is cast, Ultros, Obnoxious Octopus taps a creature an opponent controls
3. Spectral Arcanist — When an instant is cast thanks to Spectral Arcanist, Ultros, Obnoxious Octopus taps a creature an opponent controls
4. Jace's Mindseeker — When an instant is cast thanks to Jace's Mindseeker, Ultros, Obnoxious Octopus taps a creature an opponent controls
5. Quistis Trepe — When an instant is cast thanks to Quistis Trepe, Ultros, Obnoxious Octopus taps a creature an opponent controls
6. Daring Waverider — When an instant is cast thanks to Daring Waverider, Ultros, Obnoxious Octopus taps a creature an opponent controls
7. Demilich — When an instant is cast thanks to Demilich, Ultros, Obnoxious Octopus taps a creature an opponent controls
8. Omnispell Adept — When an instant is cast thanks to Omnispell Adept, Ultros, Obnoxious Octopus taps a creature an opponent controls
9. Surtland Elementalist — When an instant is cast thanks to Surtland Elementalist, Ultros, Obnoxious Octopus taps a creature an opponent controls
10. God-Eternal Kefnet — When an instant is cast thanks to God-Eternal Kefnet, Ultros, Obnoxious Octopus taps a creature an opponent controls

3,710 other cards cause it too. These are the ones with the most connections.

anything gets a counter — 4,415 cards in the game can cause this (Ultros is one).

1. All Will Be One — When a permanent gets a counter thanks to Ultros, Obnoxious Octopus, All Will Be One deals that much damage

8 other cards care about it too. These are the ones with the most connections.

anything attacks — 17,934 cards in the game can cause this (Ultros is one).

When Ultros, Obnoxious Octopus attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Grim Javelineer — gives +1/+0
4. Invisible Woman — triggers
5. Caesar, Legion's Emperor — sacrifices a creature
6. Guide of Souls — triggers
7. Campsite Cuisine — sacrifices a Food
8. Gossip's Talent — triggers
9. Banon, the Returners' Leader — draws and discards
10. Toph, Earthbending Master — puts a counter on a permanent

113 other cards care about it too. These are the ones with the most connections.

a creature attacks — 17,934 cards in the game can cause this (Ultros is one).

When Ultros, Obnoxious Octopus attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
5. Chorale of the Void — brings a card back
6. Anim Pakal, Thousandth Moon — puts a +1/+1 counter on itself
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Total War — kills a creature

181 other cards care about it too. These are the ones with the most connections.

a creature blocks — 17,934 cards in the game can cause this (Ultros is one).

When Ultros, Obnoxious Octopus blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Carnage Gladiator — makes a player lose 1 life
3. Tide of War — sacrifices a creature
4. Dead-Iron Sledge — kills a creature
5. Dwindle — kills a creature

23 other cards care about it too. These are the ones with the most connections.

a nontoken creature attacks — 17,934 cards in the game can cause this (Ultros is one).

When Ultros, Obnoxious Octopus attacks:

1. Mardu Ascendancy — makes a token
2. Basri Ket — makes a token
3. Militia's Pride — makes a token

a creature enters the battlefield — 19,800 cards in the game can cause this (Ultros is one).

When Ultros, Obnoxious Octopus enters:

1. Scurry Oak — puts a counter on itself
2. Fathom Mage — puts a counter on itself
3. Lonis, Genetics Expert — puts a counter on itself
4. Slash, Reptile Rampager — deals 2 damage
5. Gimli of the Glittering Caves — puts counters on a permanent
6. Ray Fillet, Wave Warrior — puts a counter on itself
7. Legolas Greenleaf — puts a counter on a permanent
8. The Neutrinos — gets +1/+0
9. Aetherstorm Roc — puts a counter on a permanent you control
10. Raphael, Most Attitude — exiles a card from your library

297 other cards care about it too. These are the ones with the most connections.

anything enters the battlefield — 26,499 cards in the game can cause this (Ultros is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Ultros, Obnoxious Octopus enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

42 other cards care about it too. These are the ones with the most connections.