Aven Heartstabber

an Assassin deals combat damage — 212 cards in the game can cause this (Aven Heartstabber is one).

When Aven Heartstabber deals combat damage:

1. Layla Hassan — brings a card back
2. Ezio, Blade of Vengeance — draws you 1 card
3. Etrata, Deadly Fugitive — triggers
4. Jacob Frye — exiles a card from your graveyard

an Assassin attacks — 212 cards in the game can cause this (Aven Heartstabber is one).

When Aven Heartstabber attacks:

1. The Revelations of Ezio — puts a counter on a permanent
2. Origin of the Hidden Ones — makes a token

an Assassin creature it grants types to — 219 cards in the game can cause this.

1. Reaper's Scythe — Reaper's Scythe gives Aven Heartstabber an extra creature type

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

a Bird attacks — 486 cards in the game can cause this (Aven Heartstabber is one).

When Aven Heartstabber attacks:

1. Hermes, Overseer of Elpis — scries
2. Choco, Seeker of Paradise — puts a land onto the battlefield

a Bird creature is cast — 486 cards in the game can cause this (Aven Heartstabber is one).

1. Chocobo Camp — When Aven Heartstabber is cast, it arrives with counters thanks to Chocobo Camp

1 other card cares about it too. These are the ones with the most connections.

a Bird deals combat damage — 486 cards in the game can cause this (Aven Heartstabber is one).

1. Kastral, the Windcrested — When Aven Heartstabber deals combat damage, Kastral, the Windcrested triggers

a nontoken Bird enters the battlefield — 487 cards in the game can cause this (Aven Heartstabber is one).

1. Knightfisher — When Aven Heartstabber enters, Knightfisher makes a token

a Bird enters the battlefield — 538 cards in the game can cause this (Aven Heartstabber is one).

1. Salvation Swan — When Aven Heartstabber enters, Salvation Swan flickers a creature you control

1 other card cares about it too. These are the ones with the most connections.

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

When Aven Heartstabber 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.

a card in a graveyard — 7,589 cards in the game can cause this (Aven Heartstabber is one).

1. Samwise Gamgee — Aven Heartstabber puts cards into the graveyard that Samwise Gamgee can bring back
2. Bloodbond March — Aven Heartstabber puts cards into the graveyard that Bloodbond March can bring back
3. Thor, God of Thunder — Aven Heartstabber puts cards into the graveyard that Thor, God of Thunder can bring back
4. Gale, Waterdeep Prodigy — Aven Heartstabber puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
5. Harness the Storm — Aven Heartstabber puts cards into the graveyard that Harness the Storm can bring back
6. Transplant Theorist — Aven Heartstabber puts cards into the graveyard that Transplant Theorist can bring back
7. Heart-Shaped Herb — Aven Heartstabber puts cards into the graveyard that Heart-Shaped Herb can bring back
8. Wayward Angel — Aven Heartstabber fills your graveyard toward the 7 or more cards Wayward Angel needs
9. Rescue from the Underworld — Aven Heartstabber puts cards into the graveyard that Rescue from the Underworld can bring back
10. Victimize — Aven Heartstabber puts cards into the graveyard that Victimize can bring back

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

anything goes to a graveyard — 7,589 cards in the game can cause this (Aven Heartstabber is one).

When a card hits the graveyard thanks to Aven Heartstabber:

1. Quest for Ancient Secrets — puts a quest counter on itself
2. Planar Void — hits a graveyard
3. Measure of Wickedness — gives an opponent control of itself
4. Energy Field — sacrifices itself

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 (Aven Heartstabber is one).

When Aven Heartstabber attacks:

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

118 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 (Aven Heartstabber is one).

When Aven Heartstabber 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. Saw — sacrifices a creature

194 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 (Aven Heartstabber is one).

1. Tide of War — When Aven Heartstabber blocks, Tide of War sacrifices a creature

29 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 (Aven Heartstabber is one).

When Aven Heartstabber enters:

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

344 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 (Aven Heartstabber is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Aven Heartstabber enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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