Black Widow, Agile Avenger

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, Agile Avenger gets a counter, Invisible Woman, Sue Storm makes a token

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

1. Cloaked Cadet — When Black Widow, Agile Avenger 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, Agile Avenger enters, Black Panther, Vanguard triggers

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

When Black Widow, Agile Avenger 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

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

When Black Widow, Agile Avenger 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.

a card is drawn — 3,815 cards in the game can cause this (Black Widow is one).

When Black Widow, Agile Avenger makes a player draw a card:

1. Temmet, Naktamun's Will — gives +1/+1
2. Niv-Mizzet, Parun — deals 1 damage
3. Aether Syphon — mills a card
4. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
6. Diviner's Wand — gets +1/+1
7. Ominous Seas — puts a foreshadow counter on itself
8. Dream Trawler — gets +1/+0
9. Iron Man, Armored Avenger — puts a counter on a creature
10. The Astonishing Ant-Man — puts a +1/+1 counter on itself

57 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 (Black Widow is one).

1. All Will Be One — When Black Widow, Agile Avenger gets a counter, All Will Be One deals that much damage

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

a Human enters the battlefield — 4,639 cards in the game can cause this (Black Widow is one).

When Black Widow, Agile Avenger enters:

1. General Kudro of Drannith — hits a graveyard
2. Heronblade Elite — puts a +1/+1 counter on itself
3. Kyler, Sigardian Emissary — puts a +1/+1 counter on itself
4. Thalia's Lieutenant — puts a +1/+1 counter on itself
5. Champion of the Parish — puts a +1/+1 counter on itself
6. Captain of the Mists — untaps itself
7. Erkenbrand, Lord of Westfold — gives +1/+0
8. Beregond of the Guard — gives +1/+1
9. Théoden, King of Rohan — grants double strike
10. Lossarnach Captain — taps a creature an opponent controls

2 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 (Black Widow is one).

When Black Widow, Agile Avenger attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Invisible Woman — triggers
3. Caesar, Legion's Emperor — sacrifices a creature
4. Guide of Souls — triggers
5. Campsite Cuisine — sacrifices a Food
6. Gossip's Talent — triggers

119 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 (Black Widow is one).

When Black Widow, Agile Avenger attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Saw — sacrifices a creature

188 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 (Black Widow is one).

1. Tide of War — When Black Widow, Agile Avenger blocks, Tide of War sacrifices a creature

27 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, Agile Avenger 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

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 (Black Widow is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Black Widow, Agile Avenger enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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