Acid-Spewer Dragon

hits creature — 2,298 cards in the game can cause this (Acid-Spewer Dragon is one).

1. Jalira, Master Polymorphist — Jalira, Master Polymorphist can put Acid-Spewer Dragon onto the battlefield from your library
2. Kethek, Crucible Goliath — Kethek, Crucible Goliath can put Acid-Spewer Dragon onto the battlefield from your library
3. Polymorph — Polymorph can put Acid-Spewer Dragon onto the battlefield from your library
4. Birthing Ritual — Birthing Ritual can put Acid-Spewer Dragon onto the battlefield from your library
5. Industrial Advancement — Industrial Advancement can put Acid-Spewer Dragon onto the battlefield from your library
6. Killer Instinct — Killer Instinct can put Acid-Spewer Dragon onto the battlefield from your library
7. Arthur, Marigold Knight — Arthur, Marigold Knight can put Acid-Spewer Dragon onto the battlefield from your library
8. Proteus Staff — Proteus Staff can put Acid-Spewer Dragon onto the battlefield from your library
9. Synthetic Destiny — Synthetic Destiny can put Acid-Spewer Dragon onto the battlefield from your library
10. Divergent Transformations — Divergent Transformations can put Acid-Spewer Dragon onto the battlefield from your library

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

a creature is turned face up — 238 cards in the game can cause this (Acid-Spewer Dragon is one).

When Acid-Spewer Dragon is turned face up:

1. Printlifter Ooze — makes a token
2. Experiment Twelve — puts its power counters on a permanent
3. Pyrotechnic Performer — deals its power damage
4. Pine Walker — untaps a permanent
5. Fatal Mutation — kills it

a Dragon attacks — 474 cards in the game can cause this (Acid-Spewer Dragon is one).

When Acid-Spewer Dragon attacks:

1. Silumgar, the Drifting Death — shrinks a creature by -1/-1
2. Utvara Hellkite — makes a token
3. The Ur-Dragon — draws you that many cards
4. Atarka, World Render — grants double strike
5. Kolaghan, the Storm's Fury — gives +1/+0
6. Invasion of Tarkir // Defiant Thundermaw — deals 2 damage
7. Ojutai, Soul of Winter — taps a creature, artifact, enchantment, planeswalker or battle an opponent controls
8. Dromoka, the Eternal — puts a counter on a permanent

a Dragon deals combat damage — 474 cards in the game can cause this (Acid-Spewer Dragon is one).

When Acid-Spewer Dragon deals combat damage:

1. Parapet Thrasher — triggers
2. Broodcaller Scourge — puts a permanent onto the battlefield
3. Zurgo and Ojutai — triggers

a nontoken Dragon enters the battlefield — 484 cards in the game can cause this (Acid-Spewer Dragon is one).

When Acid-Spewer Dragon enters:

1. Lathliss, Dragon Queen — makes a token
2. Miirym, Sentinel Wyrm — makes a token

a Dragon enters the battlefield — 524 cards in the game can cause this (Acid-Spewer Dragon is one).

When Acid-Spewer Dragon enters:

1. Dragon Tempest — deals damage
2. Bloomvine Regent // Claim Territory — gains you 3 life
3. Sarkhan, Dragon Ascendant — puts a +1/+1 counter on itself
4. Ganax, Astral Hunter — makes a token
5. Scourge of Valkas — deals damage
6. Bladewing's Thrall — returns itself from the graveyard
7. Sarkhan, Soul Aflame — copies a permanent
8. Teeming Dragonstorm — triggers
9. Corroding Dragonstorm — triggers
10. Roiling Dragonstorm — triggers

4 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 (Acid-Spewer Dragon is one).

When a Dragon gets a counter thanks to Acid-Spewer Dragon:

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. Shalai and Hallar — deals that much damage
6. Danny Pink — draws you 1 card
7. Enduring Scalelord — puts a +1/+1 counter on itself
8. Mikey & Leo, Chaos & Order — draws you 1 card
9. Knight of Wundagore — puts a +1/+1 counter on itself
10. Omarthis, Ghostfire Initiate — puts a counter on a permanent

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 (Acid-Spewer Dragon is one).

1. All Will Be One — When a Dragon gets a counter thanks to Acid-Spewer Dragon, All Will Be One deals that much damage

8 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 (Acid-Spewer Dragon is one).

When Acid-Spewer Dragon 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

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 (Acid-Spewer Dragon is one).

1. Adaptive Omnitool — When Acid-Spewer Dragon attacks, Adaptive Omnitool searches a library

190 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 (Acid-Spewer Dragon is one).

When Acid-Spewer Dragon 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

305 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 (Acid-Spewer Dragon is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Acid-Spewer Dragon enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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