Tromell, Seymour's Butler

you proliferate — 90 cards in the game can cause this (Tromell is one).

When Tromell, Seymour's Butler proliferates:

1. Scheming Aspirant — makes each opponent lose 2 life
2. Ezuri, Stalker of Spheres — draws you 1 card
3. Voidwing Hybrid — returns itself from the graveyard
4. Venser, Corpse Puppet — triggers

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

an Elf attacks — 723 cards in the game can cause this (Tromell is one).

When Tromell, Seymour's Butler attacks:

1. Celeborn the Wise — scries
2. Tyvar the Bellicose — grants deathtouch
3. Harald Unites the Elves — shrinks a creature by -1/-1
4. Arboreal Alliance — triggers

a nontoken Elf enters the battlefield — 728 cards in the game can cause this (Tromell is one).

1. Wirewood Hivemaster — When Tromell, Seymour's Butler enters, Wirewood Hivemaster makes a token

an Elf enters the battlefield — 752 cards in the game can cause this (Tromell is one).

When Tromell, Seymour's Butler enters:

1. Wolverine Riders — gains you its toughness life
2. Elvish Warmaster — makes a token
3. Thranduil, the Elvenking — draws you 2 cards
4. Elvish Vanguard — puts a +1/+1 counter on itself
5. Marwyn, the Nurturer — puts a +1/+1 counter on itself
6. Woodland Weavemaster — gets +1/+1
7. High Perfect Morcant — puts a counter on a permanent an opponent controls
8. Maralen, Fae Ascendant — exiles a card from an opponent's library

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

1. Scurry Oak — When Scurry Oak gets a counter thanks to Tromell, Seymour's Butler, it makes a token
2. Fathom Mage — When Fathom Mage gets a counter thanks to Tromell, Seymour's Butler, it draws you 1 card
3. Hollowmurk Siege — When a creature gets a counter thanks to Tromell, Seymour's Butler, Hollowmurk Siege draws you 1 card
4. Wickersmith's Tools — When a permanent gets a counter thanks to Tromell, Seymour's Butler, Wickersmith's Tools puts a charge counter on itself
5. Hapatra, Vizier of Poisons — When a permanent gets a counter thanks to Tromell, Seymour's Butler, Hapatra, Vizier of Poisons makes a token
6. Ant-Man, Colony Commander — When a creature gets a counter thanks to Tromell, Seymour's Butler, Ant-Man, Colony Commander makes a token
7. Flourishing Defenses — When a permanent gets a counter thanks to Tromell, Seymour's Butler, Flourishing Defenses makes a token
8. Nest of Scarabs — When a permanent gets a counter thanks to Tromell, Seymour's Butler, Nest of Scarabs makes that many tokens
9. Earth Kingdom General — When a creature gets a counter thanks to Tromell, Seymour's Butler, Earth Kingdom General gains you that much life
10. Obelisk Spider — When a permanent gets a counter thanks to Tromell, Seymour's Butler, Obelisk Spider makes each opponent lose 1 life

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

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

1. Aether Revolt — When a permanent gets a counter thanks to Tromell, Seymour's Butler, Aether Revolt deals that much damage
2. Territorial Gorger — When a permanent gets a counter thanks to Tromell, Seymour's Butler, Territorial Gorger gets +2/+2
3. Fabrication Module — When a permanent gets a counter thanks to Tromell, Seymour's Butler, Fabrication Module puts a counter on a creature
4. All Will Be One — When a creature gets a counter thanks to Tromell, Seymour's Butler, All Will Be One deals that much damage
5. Berta, Wise Extrapolator — When Berta, Wise Extrapolator gets a counter thanks to Tromell, Seymour's Butler, it adds 1 mana
6. Aragorn, Company Leader — When Aragorn, Company Leader gets a counter thanks to Tromell, Seymour's Butler, it puts counters on itself
7. Lonis, Genetics Expert — When Lonis, Genetics Expert gets a counter thanks to Tromell, Seymour's Butler, it triggers
8. Blaster, Combat DJ // Blaster, Morale Booster — When Blaster, Combat DJ // Blaster, Morale Booster gets a counter thanks to Tromell, Seymour's Butler, it triggers

5 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 (Tromell is one).

When Tromell, Seymour's Butler 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

489 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 (Tromell is one).

When Tromell, Seymour's Butler 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. Saw — sacrifices a creature

848 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 (Tromell is one).

1. Tide of War — When Tromell, Seymour's Butler blocks, Tide of War sacrifices a creature

140 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 (Tromell is one).

When Tromell, Seymour's Butler enters:

1. Slash, Reptile Rampager — deals 2 damage
2. Gimli of the Glittering Caves — puts counters on a permanent
3. Ray Fillet, Wave Warrior — puts a counter on itself
4. Legolas Greenleaf — puts a counter on a permanent
5. The Neutrinos — gets +1/+0
6. Wingnut, Bat on the Belfry — grants flying, haste and menace
7. Aetherstorm Roc — puts a counter on a permanent you control
8. Raphael, Most Attitude — exiles a card from your library

3,028 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 (Tromell is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Tromell, Seymour's Butler enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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