Elder Brain

hits creature — 2,298 cards in the game can cause this (Elder Brain is one).

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

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

a land is played — 97 cards in the game can cause this (Elder Brain is one).

When a land plays a land thanks to Elder Brain:

1. Flubs, the Fool — draws you 1 card
2. Infernal Sovereign — draws you 1 card
3. Shadow of the Goblin — deals 1 damage
4. Dirtcowl Wurm — puts a +1/+1 counter on itself
5. The Endstone — draws you 1 card
6. Horn of Greed — makes a player draw 1 card
7. Pangosaur — triggers
8. City of Traitors — sacrifices itself
9. Burgeoning — puts a land onto the battlefield

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

a spell is cast — 155 cards in the game can cause this (Elder Brain is one).

When Elder Brain is cast:

1. Pia Nalaar, Consul of Revival — makes a token
2. Rocco, Street Chef — puts a counter on a creature
3. Urianger Augurelt — gains you 2 life
4. Gwen Stacy // Ghost-Spider — puts a +1/+1 counter on itself
5. Glaring Fleshraker — makes a token
6. The Kingpin of Crime — drains each opponent
7. Kami of Celebration — puts a counter on a creature
8. Leader's Talent — puts a counter on a creature
9. Quintorius Kand — deals 2 damage
10. Norin the Wary — flickers itself

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

a Horror deals combat damage — 382 cards in the game can cause this (Elder Brain is one).

1. Captain N'ghathrod — When Elder Brain deals combat damage, Captain N'ghathrod mills a card

anything is exiled — 2,497 cards in the game can cause this (Elder Brain is one).

1. The War Doctor — When a permanent is exiled thanks to Elder Brain, The War Doctor puts a time counter on itself
2. God-Eternal Oketra — When God-Eternal Oketra is exiled thanks to Elder Brain, it triggers

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

When Elder Brain 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. Ob Nixilis, the Hate-Twisted — deals 1 damage
5. The Locust God — makes a token
6. Starving Revenant — makes each opponent lose 1 life
7. Diviner's Wand — gets +1/+1
8. Ominous Seas — puts a foreshadow counter on itself
9. Dream Trawler — gets +1/+0
10. Orcish Bowmasters — deals 1 damage

57 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 (Elder Brain is one).

When Elder Brain attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Invisible Woman — triggers
3. Caesar, Legion's Emperor — sacrifices a creature
4. Guide of Souls — triggers
5. Campsite Cuisine — sacrifices a Food
6. Gossip's Talent — 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 (Elder Brain is one).

When Elder Brain attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Saw — sacrifices a creature

193 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 (Elder Brain is one).

1. Tide of War — When Elder Brain blocks, Tide of War sacrifices a creature

27 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 (Elder Brain is one).

When Elder Brain enters:

1. Season of Growth — scries
2. Slash, Reptile Rampager — deals 2 damage
3. Ray Fillet, Wave Warrior — puts a 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

314 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 (Elder Brain is one).

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

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