Chameleon, Master of Disguise

a Villain enters the battlefield — 55 cards in Chameleon's colors can cause this (Chameleon is one).

1. Flying Octobot — When Chameleon, Master of Disguise enters, Flying Octobot puts a +1/+1 counter on itself

a Human enters the battlefield — 634 cards in Chameleon's colors can cause this (Chameleon is one).

1. Captain of the Mists — When Chameleon, Master of Disguise enters, Captain of the Mists untaps itself

a creature attacks — 3,238 cards in Chameleon's colors can cause this (Chameleon is one).

When Chameleon, Master of Disguise attacks:

1. Adaptive Omnitool — searches a library
2. Kindred Discovery — draws you 1 card
3. Screaming Swarm — mills a card
4. Imperious Mindbreaker — mills a card
5. Staff of Titania — makes a token
6. Inquisitorial Rosette — makes a token
7. Andúril, Flame of the West — makes 2 tokens
8. Saw — sacrifices a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Throwing Knife — sacrifices itself

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

anything attacks — 3,238 cards in Chameleon's colors can cause this (Chameleon is one).

When Chameleon, Master of Disguise attacks:

1. ED-E, Lonesome Eyebot — puts a quest counter on itself
2. Madame Web, Clairvoyant — mills a card
3. Dawnsire, Sunstar Dreadnought — deals 100 damage
4. Curse of Verbosity — draws you 1 card
5. Gossip's Talent — triggers
6. Alora, Merry Thief — triggers
7. Twins of Discord — triggers
8. Great Gilded Boat — draws and discards
9. Cosmic Cube — triggers
10. Doom's Time Platform — exiles a card from your graveyard

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

a creature blocks — 3,238 cards in Chameleon's colors can cause this (Chameleon is one).

When Chameleon, Master of Disguise blocks:

1. Barrow-Blade — strips abilities
2. Dead-Iron Sledge — kills a creature
3. Dwindle — kills a creature

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

a creature is cast — 3,254 cards in Chameleon's colors can cause this (Chameleon is one).

When Chameleon, Master of Disguise is cast:

1. Oketra's Monument — makes a token
2. Kozilek's Unsealing — makes 2 tokens
3. The Clone Saga — copies a spell
4. Customs Depot — draws you 1 card
5. Bontu's Monument — makes each opponent lose 1 life
6. Vanquisher's Banner — draws you 1 card
7. Rhonas's Monument — gives +2/+2
8. Hazoret's Monument — draws and discards
9. Aether Barrier — makes a player sacrifice a permanent
10. Kefnet's Monument — triggers

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

a nontoken creature enters the battlefield — 3,316 cards in Chameleon's colors can cause this (Chameleon is one).

When Chameleon, Master of Disguise enters:

1. Arni, Humble Scribe — untaps itself
2. Minion Reflector — makes a token
3. Overburden — triggers

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

a creature enters the battlefield — 3,581 cards in Chameleon's colors can cause this (Chameleon is one).

1. Ray Fillet, Wave Warrior — When Chameleon, Master of Disguise enters, Ray Fillet, Wave Warrior puts a counter on itself
2. Shadow Puppeteers — When Shadow Puppeteers enters because Chameleon, Master of Disguise copies it, its ability triggers again
3. Pollywog Prodigy — When Chameleon, Master of Disguise enters, Pollywog Prodigy puts a counter on itself
4. Master of Winds — When Master of Winds enters because Chameleon, Master of Disguise copies it, its ability triggers again
5. Blasting Station — When Chameleon, Master of Disguise enters, Blasting Station untaps itself
6. Sage of the Falls — When Sage of the Falls enters because Chameleon, Master of Disguise copies it, its ability triggers again
7. Bloodline Pretender — When Chameleon, Master of Disguise enters, Bloodline Pretender puts a +1/+1 counter on itself
8. Sage's Row Denizen — When Chameleon, Master of Disguise enters, Sage's Row Denizen mills a card
9. Long River Lurker — When Long River Lurker enters because Chameleon, Master of Disguise copies it, its ability triggers again
10. Monkey Cage — When Chameleon, Master of Disguise enters, Monkey Cage sacrifices itself

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

anything enters the battlefield — 6,232 cards in Chameleon's colors can cause this (Chameleon is one).

1. Mu Yanling, Wind Rider — When Mu Yanling, Wind Rider enters because Chameleon, Master of Disguise copies it, its ability triggers again
2. Mysterio, Master of Illusion — When Mysterio, Master of Illusion enters because Chameleon, Master of Disguise copies it, its ability triggers again
3. Ultimecia, Temporal Threat — When Ultimecia, Temporal Threat enters because Chameleon, Master of Disguise copies it, its ability triggers again
4. Spider-Man 2099, Miguel O'Hara — When Spider-Man 2099, Miguel O'Hara enters because Chameleon, Master of Disguise copies it, its ability triggers again

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