Corrosive Mentor

a Rogue attacks — 628 cards in the game can cause this (Corrosive Mentor is one).

1. Soaring Thought-Thief — When Corrosive Mentor attacks, Soaring Thought-Thief mills a card

a Rogue deals combat damage — 628 cards in the game can cause this (Corrosive Mentor is one).

1. Anowon, the Ruin Thief — When Corrosive Mentor deals combat damage, Anowon, the Ruin Thief mills a card

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

a Rogue creature enters the battlefield — 649 cards in the game can cause this (Corrosive Mentor is one).

1. Cloak and Dagger — When Corrosive Mentor enters, Cloak and Dagger triggers

a Rogue enters the battlefield — 651 cards in the game can cause this (Corrosive Mentor is one).

1. Thieves' Guild Enforcer — When Corrosive Mentor enters, Thieves' Guild Enforcer mills a card

an Elemental enters the battlefield — 752 cards in the game can cause this (Corrosive Mentor is one).

When Corrosive Mentor enters:

1. Champion of the Path — deals its power damage
2. Risen Reef — puts a land onto the battlefield

anything attacks — 17,785 cards in the game can cause this (Corrosive Mentor is one).

When Corrosive Mentor 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

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

a creature attacks — 17,785 cards in the game can cause this (Corrosive Mentor is one).

When Corrosive Mentor 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. Anim Pakal, Thousandth Moon — puts a +1/+1 counter on itself
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Total War — kills a creature

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

a nontoken creature attacks — 17,785 cards in the game can cause this (Corrosive Mentor is one).

When Corrosive Mentor attacks:

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

a creature it grants abilities to — 19,235 cards in the game can cause this (Corrosive Mentor is one).

Corrosive Mentor gives:

1. Havengul Lich — wither
2. Vial Smasher, Gleeful Grenadier — wither
3. Tor Wauki the Younger — wither
4. Brainstealer Dragon — wither
5. Defiler of Flesh — wither
6. Disa the Restless — wither
7. Fire Nation Salvagers — wither
8. Killian, Decisive Mentor — wither
9. Liliana the Repentant — wither
10. Pious Evangel // Wayward Disciple — wither

19,224 other cards care about it too. These are the ones with the most connections.

a creature enters the battlefield — 19,635 cards in the game can cause this (Corrosive Mentor is one).

When Corrosive Mentor 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

3,004 other cards care about it too. These are the ones with the most connections.

anything enters the battlefield — 26,290 cards in the game can cause this (Corrosive Mentor is one).

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

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