Ostrich-Horse

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

When Ostrich-Horse 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 (Ostrich-Horse is one).

1. Chocobo Camp — When Ostrich-Horse 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 (Ostrich-Horse is one).

1. Kastral, the Windcrested — When Ostrich-Horse deals combat damage, Kastral, the Windcrested triggers

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

1. Knightfisher — When Ostrich-Horse enters, Knightfisher makes a token

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

1. Salvation Swan — When Ostrich-Horse enters, Salvation Swan flickers a creature you control

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

anything leaves a graveyard — 2,503 cards in the game can cause this (Ostrich-Horse is one).

When a land leaves a graveyard thanks to Ostrich-Horse:

1. Blastoneuron — makes each opponent lose 1 life
2. Defiled Crypt // Cadaver Lab — makes a token
3. Teval, the Balanced Scale — makes a token
4. Hologram Stalker — makes a token
5. Tormod, the Desecrator — makes a token
6. Quintorius, Field Historian — makes a token
7. Garrison Excavator — makes a token
8. Amzu, Swarm's Hunger — makes a token
9. Kirol, History Buff // Pack a Punch — becomes prepared
10. Teval's Judgment — triggers

13 other cards care 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 (Ostrich-Horse is one).

When Ostrich-Horse 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.

anything gets a counter — 4,415 cards in the game can cause this (Ostrich-Horse is one).

1. All Will Be One — When Ostrich-Horse 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 card in a graveyard — 7,589 cards in the game can cause this (Ostrich-Horse is one).

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

When a card hits the graveyard thanks to Ostrich-Horse:

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 (Ostrich-Horse is one).

When Ostrich-Horse attacks:

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

123 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 (Ostrich-Horse is one).

When Ostrich-Horse attacks:

1. Adaptive Omnitool — searches a library
2. Saw — sacrifices a creature

196 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 (Ostrich-Horse is one).

1. Tide of War — When Ostrich-Horse 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.

1. Scurry Oak — When Ostrich-Horse enters, Scurry Oak puts a counter on itself
2. Fathom Mage — When Ostrich-Horse enters, Fathom Mage puts a counter on itself
3. Lonis, Genetics Expert — When Ostrich-Horse enters, Lonis, Genetics Expert puts a counter on itself
4. Slash, Reptile Rampager — When Ostrich-Horse enters, Slash, Reptile Rampager deals 2 damage
5. Ray Fillet, Wave Warrior — When Ostrich-Horse enters, Ray Fillet, Wave Warrior puts a counter on itself
6. The Neutrinos — When Ostrich-Horse enters, The Neutrinos gets +1/+0
7. Wingnut, Bat on the Belfry — When Ostrich-Horse enters, Wingnut, Bat on the Belfry grants flying, haste and menace
8. Mirrorpool — When Ostrich-Horse enters because Mirrorpool copies it, its ability triggers again
9. Endless Sands — When Ostrich-Horse enters thanks to Endless Sands, it mills a card
10. Northampton Farm — When Ostrich-Horse enters thanks to Northampton Farm, it mills a card
11. Aetherstorm Roc — When Ostrich-Horse enters, Aetherstorm Roc puts a counter on a permanent you control
12. Raphael, Most Attitude — When Ostrich-Horse enters, 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 (Ostrich-Horse is one).

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

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