Shriekdiver

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

When Shriekdiver 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 (Shriekdiver is one).

1. Chocobo Camp — When Shriekdiver 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 (Shriekdiver is one).

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

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

1. Knightfisher — When Shriekdiver enters, Knightfisher makes a token

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

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

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

a Zombie deals combat damage — 657 cards in the game can cause this (Shriekdiver is one).

1. Undead Alchemist — When Shriekdiver deals combat damage, Undead Alchemist mills a card

a Zombie attacks — 657 cards in the game can cause this (Shriekdiver is one).

1. Varina, Lich Queen — When Shriekdiver attacks, Varina, Lich Queen draws you that many cards

a nontoken Zombie enters the battlefield — 661 cards in the game can cause this (Shriekdiver is one).

1. Necroduality — When Shriekdiver enters, Necroduality makes a token

a Zombie enters the battlefield — 795 cards in the game can cause this (Shriekdiver is one).

When Shriekdiver enters:

1. Noxious Ghoul — shrinks a creature by -1/-1
2. Geralf, the Fleshwright — puts counters on a permanent
3. Wayward Servant — makes each opponent lose 1 life
4. Champion of the Perished — puts a +1/+1 counter on itself
5. Mummy Paramount — gets +1/+1
6. Unconventional Tactics — returns itself from the graveyard
7. Binding Mummy — taps a creature or artifact

a Warrior attacks — 1,319 cards in the game can cause this (Shriekdiver is one).

1. Najeela, the Blade-Blossom — When Shriekdiver attacks, Najeela, the Blade-Blossom makes a token

a Warrior deals combat damage — 1,319 cards in the game can cause this (Shriekdiver is one).

1. Raiders' Spoils — When Shriekdiver deals combat damage, Raiders' Spoils makes you lose life

a Warrior creature enters the battlefield — 1,401 cards in the game can cause this (Shriekdiver is one).

1. Obsidian Battle-Axe — When Shriekdiver enters, Obsidian Battle-Axe triggers

a Warrior enters the battlefield — 1,403 cards in the game can cause this (Shriekdiver is one).

When Shriekdiver enters:

1. Mardu Woe-Reaper — hits a graveyard
2. Thrasher Brute — makes each opponent lose 1 life
3. Decorated Champion — puts a +1/+1 counter on itself

anything attacks — 17,934 cards in the game can cause this (Shriekdiver is one).

When Shriekdiver 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

112 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 (Shriekdiver is one).

When Shriekdiver 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. Anim Pakal, Thousandth Moon — puts a +1/+1 counter on itself
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Total War — kills a creature

181 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 (Shriekdiver is one).

When Shriekdiver blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Carnage Gladiator — makes a player lose 1 life
3. Barrow-Blade — strips abilities
4. Heat of Battle — deals 1 damage
5. Tide of War — sacrifices a creature
6. Dead-Iron Sledge — kills a creature
7. Dwindle — kills a creature
8. Shield of the Righteous — triggers

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

a nontoken creature attacks — 17,934 cards in the game can cause this (Shriekdiver is one).

When Shriekdiver attacks:

1. Mardu Ascendancy — makes a token
2. Basri Ket — makes a token
3. Militia's Pride — makes a token

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

When Shriekdiver enters:

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

313 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 (Shriekdiver is one).

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

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