Obuun, Mul Daya Ancestor

an Elf attacks — 723 cards in the game can cause this (Obuun is one).

When Obuun, Mul Daya Ancestor attacks:

1. Celeborn the Wise — scries
2. Tyvar the Bellicose — grants deathtouch
3. Harald Unites the Elves — shrinks a creature by -1/-1
4. Arboreal Alliance — triggers

a nontoken Spirit deals combat damage — 725 cards in the game can cause this (Obuun is one).

1. Millicent, Restless Revenant — When Obuun, Mul Daya Ancestor deals combat damage, Millicent, Restless Revenant makes a token

a nontoken Spirit enters the battlefield — 727 cards in the game can cause this (Obuun is one).

1. Baboon Spirit — When Obuun, Mul Daya Ancestor enters, Baboon Spirit makes a token

a nontoken Elf enters the battlefield — 728 cards in the game can cause this (Obuun is one).

1. Wirewood Hivemaster — When Obuun, Mul Daya Ancestor enters, Wirewood Hivemaster makes a token

an Elf enters the battlefield — 752 cards in the game can cause this (Obuun is one).

When Obuun, Mul Daya Ancestor enters:

1. Wolverine Riders — gains you its toughness life
2. Elvish Warmaster — makes a token
3. Thranduil, the Elvenking — draws you 2 cards
4. Elvish Vanguard — puts a +1/+1 counter on itself
5. Marwyn, the Nurturer — puts a +1/+1 counter on itself
6. Woodland Weavemaster — gets +1/+1
7. High Perfect Morcant — puts a counter on a permanent an opponent controls
8. Maralen, Fae Ascendant — exiles a card from an opponent's library

a Spirit enters the battlefield — 863 cards in the game can cause this (Obuun is one).

When Obuun, Mul Daya Ancestor enters:

1. Mausoleum Wanderer — gets +1/+1
2. Drogskol Cavalry — gains you 2 life
3. Vanguard of the Restless — returns itself from the graveyard
4. Nebelgast Herald — taps a creature an opponent controls

a Spirit creature it boosts — 889 cards in the game can cause this.

1. Gallows Warden — Gallows Warden gives Obuun, Mul Daya Ancestor bigger stats

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

put a land onto the battlefield — 1,560 cards in the game can cause this.

1. Fecund Greenshell — When a land enters thanks to Fecund Greenshell, Obuun, Mul Daya Ancestor puts a counter on a creature
2. The Earth King — When a land enters thanks to The Earth King, Obuun, Mul Daya Ancestor puts a counter on a creature
3. Dalkovan Encampment — When Dalkovan Encampment enters, Obuun, Mul Daya Ancestor puts a counter on a creature
4. Staff of Titania — When a Forest or Dryad enters thanks to Staff of Titania, Obuun, Mul Daya Ancestor puts a counter on a creature
5. Contaminant Grafter — When a land enters thanks to Contaminant Grafter, Obuun, Mul Daya Ancestor puts a counter on a creature
6. Kodama of the West Tree — When a land enters thanks to Kodama of the West Tree, Obuun, Mul Daya Ancestor puts a counter on a creature
7. Bitterthorn, Nissa's Animus — When a land enters thanks to Bitterthorn, Nissa's Animus, Obuun, Mul Daya Ancestor puts a counter on a creature
8. Sword of the Animist — When a land enters thanks to Sword of the Animist, Obuun, Mul Daya Ancestor puts a counter on a creature
9. Explorer's Scope — When a land enters thanks to Explorer's Scope, Obuun, Mul Daya Ancestor puts a counter on a creature
10. Dragon-Cursed Halls — When Dragon-Cursed Halls enters, Obuun, Mul Daya Ancestor puts a counter on a creature

1,550 other cards cause it too. These are the ones with the most connections.

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

1. Scurry Oak — When Scurry Oak gets a counter thanks to Obuun, Mul Daya Ancestor, it makes a token
2. Fathom Mage — When Fathom Mage gets a counter thanks to Obuun, Mul Daya Ancestor, it draws you 1 card
3. Hollowmurk Siege — When a creature gets a counter thanks to Obuun, Mul Daya Ancestor, Hollowmurk Siege draws you 1 card
4. Ant-Man, Colony Commander — When a creature gets a counter thanks to Obuun, Mul Daya Ancestor, Ant-Man, Colony Commander makes a token
5. Earth Kingdom General — When a creature gets a counter thanks to Obuun, Mul Daya Ancestor, Earth Kingdom General gains you that much life
6. Casey Jones, Back Alley Brute — When a creature gets a counter thanks to Obuun, Mul Daya Ancestor, Casey Jones, Back Alley Brute deals that much damage
7. Generous Patron — When a creature gets a counter thanks to Obuun, Mul Daya Ancestor, Generous Patron draws you 1 card
8. Shalai and Hallar — When a creature gets a counter thanks to Obuun, Mul Daya Ancestor, Shalai and Hallar deals that much damage
9. Danny Pink — When a creature gets a counter thanks to Obuun, Mul Daya Ancestor, Danny Pink draws you 1 card
10. Enduring Scalelord — When a creature gets a counter thanks to Obuun, Mul Daya Ancestor, Enduring Scalelord puts a +1/+1 counter on itself

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

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

1. All Will Be One — When a creature gets a counter thanks to Obuun, Mul Daya Ancestor, All Will Be One deals that much damage
2. Lonis, Genetics Expert — When Lonis, Genetics Expert gets a counter thanks to Obuun, Mul Daya Ancestor, it triggers

7 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 (Obuun is one).

When Obuun, Mul Daya Ancestor 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

117 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 (Obuun is one).

When Obuun, Mul Daya Ancestor 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. Saw — sacrifices a creature
7. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
8. Ultima Weapon — kills a creature an opponent controls

182 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 (Obuun is one).

When Obuun, Mul Daya Ancestor blocks:

1. Tide of War — sacrifices a creature
2. Dead-Iron Sledge — kills a creature

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

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

When Obuun, Mul Daya Ancestor enters:

1. Slash, Reptile Rampager — deals 2 damage
2. Gimli of the Glittering Caves — puts counters on a permanent
3. Ray Fillet, Wave Warrior — puts a counter on itself
4. Legolas Greenleaf — puts a counter on a permanent
5. The Neutrinos — gets +1/+0
6. Wingnut, Bat on the Belfry — grants flying, haste and menace
7. Aetherstorm Roc — puts a counter on a permanent you control
8. Raphael, Most Attitude — exiles a card from your library

303 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 (Obuun is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Obuun, Mul Daya Ancestor enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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