Keeneye Aven

a creature is discarded — 206 cards in the game can cause this (Keeneye Aven is one).

When Keeneye Aven makes a player discard a card:

1. Wharf Infiltrator — makes a token
2. Bone Miser — makes a token
3. Hashaton, Scarab's Fist — makes a token
4. Surly Badgersaur — puts a +1/+1 counter on itself
5. Oskar, Rubbish Reclaimer — brings a card back
6. Conspiracy Theorist — brings a card back
7. Veronica, Dissident Scribe — makes a token
8. Green Goblin, Nemesis — puts a counter on a Goblin

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

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

When Keeneye Aven 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 (Keeneye Aven is one).

1. Chocobo Camp — When Keeneye Aven 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 (Keeneye Aven is one).

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

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

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

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

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

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

a Soldier creature enters the battlefield — 1,279 cards in the game can cause this (Keeneye Aven is one).

1. Veteran's Armaments — When Keeneye Aven enters, Veteran's Armaments triggers

a card is discarded — 2,042 cards in the game can cause this (Keeneye Aven is one).

When Keeneye Aven makes a player discard a card:

1. Ivora, Insatiable Heir — puts a +1/+1 counter on itself
2. Cool but Rude — deals 2 damage
3. Containment Construct — brings a card back
4. Moonstone, Harsh Mistress — brings a card back
5. Lazotep Chancellor — puts 2 counters on a Zombie or Army
6. Magmakin Artillerist — deals that much damage
7. Inti, Seneschal of the Sun — exiles a card from your library
8. Pitchstone Wall — sacrifices itself
9. Currency Converter — exiles it
10. Hostile Investigator — triggers

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

a creature goes to a graveyard — 3,011 cards in the game can cause this (Keeneye Aven is one).

When Keeneye Aven hits the graveyard:

1. Syr Konrad, the Grim — deals 1 damage
2. Robot Domination — draws you 1 card
3. Voracious Brood — puts that many +1/+1 counters on itself
4. Dennick, Pious Apprentice // Dennick, Pious Apparition — triggers
5. Soulcipher Board // Cipherbound Spirit — triggers
6. Sefris of the Hidden Ways — triggers

8 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 (Keeneye Aven is one).

When Keeneye Aven 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 (Keeneye Aven is one).

1. Gale, Waterdeep Prodigy — When Keeneye Aven is in the graveyard, Gale, Waterdeep Prodigy can bring it back
2. Transplant Theorist — When Keeneye Aven is in the graveyard, Transplant Theorist can bring it back
3. Heart-Shaped Herb — When Keeneye Aven is in the graveyard, Heart-Shaped Herb can bring it back
4. Wayward Angel — Keeneye Aven fills your graveyard toward the 7 or more cards Wayward Angel needs
5. Rescue from the Underworld — When Keeneye Aven is in the graveyard, Rescue from the Underworld can bring it back
6. Victimize — When Keeneye Aven is in the graveyard, Victimize can bring it back
7. Bound // Determined — When Keeneye Aven is in the graveyard, Bound // Determined can bring it back
8. Enlightened Confidant — When Keeneye Aven is in the graveyard, Enlightened Confidant can bring it back
9. Tergrid, God of Fright // Tergrid's Lantern — When Keeneye Aven is in the graveyard, Tergrid, God of Fright // Tergrid's Lantern can bring it back
10. Aerith, Last Ancient — When Keeneye Aven is in the graveyard, Aerith, Last Ancient can bring it 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 (Keeneye Aven is one).

When Keeneye Aven hits the graveyard:

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 (Keeneye Aven is one).

When Keeneye Aven attacks:

1. Invisible Woman — triggers
2. Caesar, Legion's Emperor — sacrifices a creature

130 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 (Keeneye Aven is one).

1. Bloodbond March — When Keeneye Aven is cast, Bloodbond March brings a card back

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

a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Keeneye Aven is one).

1. Samwise Gamgee — When Keeneye Aven enters, Samwise Gamgee makes a token

32 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 (Keeneye Aven is one).

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

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