Splinter, the Mentor

a Rat attacks — 99 cards in Splinter's colors can cause this (Splinter is one).

1. Persistent Marshstalker — When Splinter, the Mentor attacks, Persistent Marshstalker returns itself from the graveyard

a Rat enters the battlefield — 112 cards in Splinter's colors can cause this (Splinter is one).

1. Lord Skitter, Sewer King — When Splinter, the Mentor enters, Lord Skitter, Sewer King hits a graveyard

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

a token is created — 726 cards in Splinter's colors can cause this (Splinter is one).

When Splinter, the Mentor makes a Mutagen token:

1. Idol of Oblivion — draws you 1 card
2. Mirkwood Bats — makes each opponent lose 1 life

a nontoken creature leaves the battlefield — 1,393 cards in Splinter's colors can cause this.

1. Portcullis — When a creature leaves the battlefield thanks to Portcullis, Splinter, the Mentor makes a token
2. Decoction Module — When a creature leaves the battlefield thanks to Decoction Module, Splinter, the Mentor makes a token
3. Sword of Hearth and Home — When a creature leaves the battlefield thanks to Sword of Hearth and Home, Splinter, the Mentor makes a token
4. Toxic Stench — When a creature leaves the battlefield thanks to Toxic Stench, Splinter, the Mentor makes a token
5. Oathkeeper, Takeno's Daisho — When a creature leaves the battlefield thanks to Oathkeeper, Takeno's Daisho, Splinter, the Mentor makes a token
6. Body Snatcher — When Body Snatcher leaves the battlefield, Splinter, the Mentor makes a token
7. Paramecia Coloniex — When Paramecia Coloniex leaves the battlefield, Splinter, the Mentor makes a token
8. Magus of the Bridge — When Magus of the Bridge leaves the battlefield, Splinter, the Mentor makes a token
9. Isareth the Awakener — When Isareth the Awakener leaves the battlefield, Splinter, the Mentor makes a token
10. Coffin Queen — When Coffin Queen leaves the battlefield, Splinter, the Mentor makes a token

1,383 other cards cause it too. These are the ones with the most connections.

an artifact enters the battlefield — 2,613 cards in Splinter's colors can cause this (Splinter is one).

When a Mutagen enters thanks to Splinter, the Mentor:

1. Underhanded Designs — makes each opponent lose 1 life
2. Pactdoll Terror — makes each opponent lose 1 life
3. Arcbound Crusher — puts a +1/+1 counter on itself
4. Arcbound Condor — shrinks a creature by -1/-1
5. Glaze Fiend — gets +2/+2
6. Battered Golem — untaps itself
7. Skorpekh Destroyer — grants first strike
8. Grinding Station — untaps itself
9. Ovalchase Daredevil — returns itself from the graveyard
10. Vermiculos — gets +4/+4

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

a creature attacks — 3,478 cards in Splinter's colors can cause this (Splinter is one).

When Splinter, the Mentor attacks:

1. Adaptive Omnitool — searches a library
2. Chorale of the Void — brings a card back
3. Staff of Titania — makes a token
4. Inquisitorial Rosette — makes a token
5. Wand of Orcus — grants deathtouch
6. Andúril, Flame of the West — makes 2 tokens
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. Throwing Knife — sacrifices itself

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

anything attacks — 3,478 cards in Splinter's colors can cause this (Splinter is one).

When Splinter, the Mentor attacks:

1. Grim Javelineer — gives +1/+0
2. ED-E, Lonesome Eyebot — puts a quest counter on itself
3. Fire Navy Trebuchet — makes a token
4. Stensian Sanguinist // Exsanguinate — grants deathtouch
5. Rev, Tithe Extractor — grants deathtouch
6. Boggart Prankster — gives +1/+0
7. Within Range — makes each opponent lose life
8. Curse of Disturbance — makes a token
9. Dawnsire, Sunstar Dreadnought — deals 100 damage
10. Twins of Discord — triggers

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

a creature blocks — 3,478 cards in Splinter's colors can cause this (Splinter is one).

When Splinter, the Mentor blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Barrow-Blade — strips abilities
3. Dead-Iron Sledge — kills a creature

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

a creature deals combat damage — 3,478 cards in Splinter's colors can cause this (Splinter is one).

1. Hive Mind Coprocessor — When Splinter, the Mentor deals combat damage, Hive Mind Coprocessor makes you lose life

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

a creature is cast — 3,493 cards in Splinter's colors can cause this (Splinter is one).

When Splinter, the Mentor is cast:

1. Endrek Sahr, Master Breeder — makes that spell's mana value tokens
2. Oketra's Monument — makes a token
3. Bontu's Monument — makes each opponent lose 1 life
4. Vanquisher's Banner — draws you 1 card
5. Rhonas's Monument — gives +2/+2
6. Skittering Horror — sacrifices itself
7. Skittering Skirge — sacrifices itself
8. Skittering Monstrosity — sacrifices itself
9. Hazoret's Monument — draws and discards
10. Kefnet's Monument — triggers

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

a nontoken creature enters the battlefield — 3,680 cards in Splinter's colors can cause this (Splinter is one).

1. Minion Reflector — When Splinter, the Mentor enters, Minion Reflector makes a token

a creature enters the battlefield — 3,967 cards in Splinter's colors can cause this (Splinter is one).

When Splinter, the Mentor enters:

1. Ayara, First of Locthwain — makes each opponent lose 1 life
2. Blasting Station — untaps itself
3. Bloodline Pretender — puts a +1/+1 counter on itself
4. Snarling Gorehound — surveils
5. Soultether Golem — puts a time counter on itself
6. Poisonbelly Ogre — makes a player lose 1 life
7. Monkey Cage — sacrifices itself
8. Tainted Aether — makes a player sacrifice a creature or land
9. Lethal Vapors — kills it
10. Spreading Plague — kills a creature

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