Imperial Cosmographer

a creature gets a counter — 2,691 cards in the game can cause this (Imperial Cosmographer is one).

When Imperial Cosmographer 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.

a creature leaves the battlefield — 4,238 cards in the game can cause this.

1. Timid Drake — When Timid Drake leaves the battlefield, Imperial Cosmographer puts 2 +1/+1 counters on itself
2. Faerie Artisans — When a creature leaves the battlefield thanks to Faerie Artisans, Imperial Cosmographer puts 2 +1/+1 counters on itself
3. Glitch Interpreter — When Glitch Interpreter leaves the battlefield, Imperial Cosmographer puts 2 +1/+1 counters on itself
4. Grazilaxx, Illithid Scholar — When Grazilaxx, Illithid Scholar leaves the battlefield, Imperial Cosmographer puts 2 +1/+1 counters on itself
5. Alora, Merry Thief — When Alora, Merry Thief leaves the battlefield, Imperial Cosmographer puts 2 +1/+1 counters on itself
6. Long River Lurker — When Long River Lurker leaves the battlefield, Imperial Cosmographer puts 2 +1/+1 counters on itself
7. Nezahal, Primal Tide — When Nezahal, Primal Tide leaves the battlefield, Imperial Cosmographer puts 2 +1/+1 counters on itself
8. Pearl Lake Ancient — When Pearl Lake Ancient leaves the battlefield, Imperial Cosmographer puts 2 +1/+1 counters on itself
9. Thing in the Ice // Awoken Horror — When a creature leaves the battlefield thanks to Thing in the Ice // Awoken Horror, Imperial Cosmographer puts 2 +1/+1 counters on itself
10. Djinn of the Fountain — When Djinn of the Fountain leaves the battlefield, Imperial Cosmographer puts 2 +1/+1 counters on itself

4,228 other cards cause it too. These are the ones with the most connections.

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

1. All Will Be One — When Imperial Cosmographer 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.

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

When Imperial Cosmographer 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

113 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 (Imperial Cosmographer is one).

When Imperial Cosmographer 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. Saw — sacrifices a creature
7. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
8. Ultima Weapon — kills a creature an opponent controls
9. Path of Mettle // Metzali, Tower of Triumph — triggers
10. Total War — kills a creature

180 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 (Imperial Cosmographer is one).

When Imperial Cosmographer 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. Battle Strain — deals 1 damage
6. Favor of the Woods — gains you 3 life
7. Tide of War — sacrifices a creature
8. Dead-Iron Sledge — kills a creature
9. Dwindle — kills a creature
10. Shield of the Righteous — triggers

18 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 (Imperial Cosmographer is one).

When Imperial Cosmographer attacks:

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

a creature deals combat damage — 17,934 cards in the game can cause this (Imperial Cosmographer is one).

When Imperial Cosmographer deals combat damage:

1. Locutus of Borg — makes a token
2. Antagonist Incorporator — makes a token
3. Hive Mind Coprocessor — makes you lose life

194 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 (Imperial Cosmographer is one).

When Imperial Cosmographer 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
5. Ray Fillet, Wave Warrior — puts a counter on itself
6. The Neutrinos — gets +1/+0
7. Wingnut, Bat on the Belfry — grants flying, haste and menace
8. Aetherstorm Roc — puts a counter on a permanent you control
9. Raphael, Most Attitude — exiles a card from your library

298 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 (Imperial Cosmographer is one).

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

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