Black Widow, Super Spy

a Hero gets a counter — 63 cards in the game can cause this (Black Widow is one).

1. Invisible Woman, Sue Storm — When Black Widow, Super Spy gets a counter, Invisible Woman, Sue Storm makes a token

a battle is cast — 100 cards in the game can cause this (Black Widow is one).

1. Defiler of Flesh — When Black Widow, Super Spy is cast, Defiler of Flesh gives +1/+1
2. Primeval Bounty — When an artifact is cast thanks to Black Widow, Super Spy, Primeval Bounty puts 3 counters on a creature
3. Tetsuko Umezawa, Pursuer — When an artifact is cast thanks to Black Widow, Super Spy, Tetsuko Umezawa, Pursuer gets +1/+1
4. Thor, God of Thunder — When an artifact is cast thanks to Black Widow, Super Spy, Thor, God of Thunder deals that spell's mana value damage
5. Krile Baldesion — When an artifact is cast thanks to Black Widow, Super Spy, Krile Baldesion brings a card back
6. Summon: Good King Mog XII — When an artifact is cast thanks to Black Widow, Super Spy, Summon: Good King Mog XII makes a token
7. Kykar, Wind's Fury — When an artifact is cast thanks to Black Widow, Super Spy, Kykar, Wind's Fury makes a token
8. Tellah, Great Sage — When an artifact is cast thanks to Black Widow, Super Spy, Tellah, Great Sage makes a token
9. Blood Funnel — When an artifact is cast thanks to Black Widow, Super Spy, Blood Funnel sacrifices a creature
10. Artist's Talent — When an artifact is cast thanks to Black Widow, Super Spy, Artist's Talent draws and discards

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

a Human gets a counter — 326 cards in the game can cause this (Black Widow is one).

1. Cloaked Cadet — When Black Widow, Super Spy gets a counter, Cloaked Cadet draws you 1 card

a nontoken Hero enters the battlefield — 358 cards in the game can cause this (Black Widow is one).

1. Black Panther, Vanguard — When Black Widow, Super Spy enters, Black Panther, Vanguard triggers

a planeswalker is cast — 361 cards in the game can cause this (Black Widow is one).

1. Jaya's Phoenix — When a planeswalker is cast thanks to Black Widow, Super Spy, Jaya's Phoenix returns itself from the graveyard
2. Interplanar Beacon — When a planeswalker is cast thanks to Black Widow, Super Spy, Interplanar Beacon gains you 1 life
3. Varis, Silverymoon Ranger — When Black Widow, Super Spy is cast, Varis, Silverymoon Ranger triggers

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

a Hero enters the battlefield — 375 cards in the game can cause this (Black Widow is one).

When Black Widow, Super Spy enters:

1. Hawkeye, Trick Shot — deals damage
2. Captain America, Team Leader — grants haste and vigilance
3. Nighthawk, Dark Defender — gives +1/+1
4. Team Transmitter — gains you 1 life

anything is exiled — 2,497 cards in the game can cause this (Black Widow is one).

1. The War Doctor — When a permanent is exiled thanks to Black Widow, Super Spy, The War Doctor puts a time counter on itself

1 other card cares 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 (Black Widow is one).

When Black Widow, Super Spy gets a counter:

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

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

an enchantment is cast — 3,673 cards in the game can cause this (Black Widow is one).

When an enchantment is cast thanks to Black Widow, Super Spy:

1. Hallowed Haunting — makes a token
2. Daxos the Returned — puts a counter on a permanent
3. Tatsunari, Toad Rider — makes a token
4. Sythis, Harvest's Hand — gains you 1 life
5. Sigil of the Empty Throne — makes a token
6. Dawnhart Geist — gains you 2 life
7. Herald of the Pantheon — gains you 1 life
8. Kami of Transience — puts a +1/+1 counter on itself
9. Argothian Enchantress — draws you 1 card
10. Mesa Enchantress — draws you 1 card

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

an artifact is cast — 3,683 cards in the game can cause this (Black Widow is one).

When an artifact is cast thanks to Black Widow, Super Spy:

1. Mendicant Core, Guidelight — copies a spell
2. Sai, Master Thopterist — makes a token
3. Ravenous Robots — makes a token
4. Pinnacle Emissary — makes a token
5. Mirrodin Besieged — makes a token
6. Poetic Ingenuity — makes a token
7. Digsite Engineer — makes a token
8. Myrsmith — makes a token
9. Riddlesmith — draws you 1 card
10. Dr. Madison Li — puts a counter on a permanent you control

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

a sorcery is cast — 3,720 cards in the game can cause this (Black Widow is one).

1. Spellweaver Volute — When a sorcery is cast thanks to Black Widow, Super Spy, Spellweaver Volute copies a spell
2. Riku of Two Reflections — When an instant is cast thanks to Black Widow, Super Spy, Riku of Two Reflections copies a spell
3. Sword of Wealth and Power — When an instant is cast thanks to Black Widow, Super Spy, Sword of Wealth and Power copies a spell
4. Extus, Oriq Overlord // Awaken the Blood Avatar — When an instant is cast thanks to Black Widow, Super Spy, Extus, Oriq Overlord // Awaken the Blood Avatar brings a card back
5. Mica, Reader of Ruins — When an instant is cast thanks to Black Widow, Super Spy, Mica, Reader of Ruins sacrifices an artifact

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

a creature is cast — 18,010 cards in the game can cause this (Black Widow is one).

1. God-Eternal Oketra — When Black Widow, Super Spy is cast, God-Eternal Oketra makes a token

90 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 (Black Widow is one).

When Black Widow, Super Spy enters:

1. Pollywog Prodigy — puts a counter on itself
2. Scurry Oak — puts a counter on itself
3. Fathom Mage — puts a counter on itself

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