Mutant Surveyor

a Mutant attacks — 280 cards in the game can cause this (Mutant Surveyor is one).

1. Wolverine, Claws Out — When Mutant Surveyor attacks, Wolverine, Claws Out makes your creatures bigger

a Mutant deals combat damage — 280 cards in the game can cause this (Mutant Surveyor is one).

1. Heroes in a Half Shell — When Mutant Surveyor deals combat damage, Heroes in a Half Shell puts a counter on a permanent

a Mutant enters the battlefield — 286 cards in the game can cause this (Mutant Surveyor is one).

When Mutant Surveyor enters:

1. Genghis Frog — makes a token
2. X-23, Deadly Weapon — puts a counter on a permanent
3. April O'Neil, Live on the Scene — triggers

a Scout deals combat damage — 353 cards in the game can cause this (Mutant Surveyor is one).

1. Vaan, Street Thief — When Mutant Surveyor deals combat damage, Vaan, Street Thief exiles a card from a library

a creature leaves a graveyard — 1,302 cards in the game can cause this (Mutant Surveyor is one).

When Mutant Surveyor leaves a graveyard:

1. Grim Reaper's Scythe — makes a token
2. Syr Konrad, the Grim — deals 1 damage
3. Cyan, Vengeful Samurai — puts a +1/+1 counter on itself
4. Along the Crooked Way — puts a counter on a Goblin or Army
5. Skeleton Crew — makes a token
6. Desecrated Tomb — makes a token
7. Chalk Outline — makes a token
8. Insidious Roots — makes a token
9. Undead Hand Ninja — makes each opponent lose 1 life
10. Erebos's Titan — triggers

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

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

1. The War Doctor — When Mutant Surveyor is exiled, The War Doctor puts a time counter on itself

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 (Mutant Surveyor is one).

When Mutant Surveyor leaves a graveyard:

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.

make a player lose life — 3,160 cards in the game can cause this.

1. Brainstealer Dragon — When Brainstealer Dragon makes a player lose life, Mutant Surveyor raises your speed
2. Glaring Fleshraker — When Glaring Fleshraker makes a player lose life, Mutant Surveyor raises your speed
3. Lux Artillery — When Lux Artillery makes a player lose life, Mutant Surveyor raises your speed
4. Poisonbelly Ogre — When a player makes a player lose life thanks to Poisonbelly Ogre, Mutant Surveyor raises your speed
5. Gideon the Oathless — When Gideon the Oathless makes a player lose life, Mutant Surveyor raises your speed
6. Blood Seeker — When a permanent makes a player lose life thanks to Blood Seeker, Mutant Surveyor raises your speed
7. Tinybones Joins Up — When Tinybones Joins Up makes a player lose life, Mutant Surveyor raises your speed
8. Trespasser's Curse — When Trespasser's Curse makes a player lose life, Mutant Surveyor raises your speed
9. Jaws of Defeat — When a permanent makes a player lose life thanks to Jaws of Defeat, Mutant Surveyor raises your speed
10. Binding Agony — When Binding Agony makes a player lose life, Mutant Surveyor raises your speed

3,150 other cards cause it too. These are the ones with the most connections.

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

When Mutant Surveyor 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. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
6. Diviner's Wand — gets +1/+1
7. Ominous Seas — puts a foreshadow counter on itself
8. Dream Trawler — gets +1/+0
9. Iron Man, Armored Avenger — puts a counter on a creature
10. The Astonishing Ant-Man — puts a +1/+1 counter on itself

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 (Mutant Surveyor is one).

When Mutant Surveyor attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Grim Javelineer — gives +1/+0
3. Invisible Woman — triggers
4. Caesar, Legion's Emperor — sacrifices a creature
5. Guide of Souls — triggers
6. Campsite Cuisine — sacrifices a Food
7. Gossip's Talent — triggers
8. Banon, the Returners' Leader — draws and discards
9. Toph, Earthbending Master — puts a counter on a permanent
10. Three Dog, Galaxy News DJ — sacrifices an Aura

115 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 (Mutant Surveyor is one).

When Mutant Surveyor attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Saw — sacrifices a creature

187 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 (Mutant Surveyor is one).

1. Tide of War — When Mutant Surveyor blocks, Tide of War sacrifices a creature

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

a creature is cast — 18,010 cards in the game can cause this (Mutant Surveyor is one).

1. God-Eternal Oketra — When Mutant Surveyor is cast, God-Eternal Oketra makes a token

90 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 (Mutant Surveyor is one).

When Mutant Surveyor 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

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 (Mutant Surveyor is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Mutant Surveyor 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.