Boris Devilboon

a Demon enters the battlefield — 284 cards in the game can cause this (Boris Devilboon is one).

When a Demon enters thanks to Boris Devilboon:

1. Blood Speaker — returns itself from the graveyard
2. Be'lakor, the Dark Master — deals its power damage

a Zombie deals combat damage — 657 cards in the game can cause this (Boris Devilboon is one).

1. Undead Alchemist — When Boris Devilboon deals combat damage, Undead Alchemist mills a card

a Zombie attacks — 657 cards in the game can cause this (Boris Devilboon is one).

1. Varina, Lich Queen — When Boris Devilboon attacks, Varina, Lich Queen draws you that many cards

a nontoken Zombie enters the battlefield — 661 cards in the game can cause this (Boris Devilboon is one).

1. Necroduality — When Boris Devilboon enters, Necroduality makes a token

a Zombie enters the battlefield — 795 cards in the game can cause this (Boris Devilboon is one).

When Boris Devilboon enters:

1. Noxious Ghoul — shrinks a creature by -1/-1
2. Geralf, the Fleshwright — puts counters on a permanent
3. Wayward Servant — makes each opponent lose 1 life
4. Champion of the Perished — puts a +1/+1 counter on itself
5. Mummy Paramount — gets +1/+1
6. Unconventional Tactics — returns itself from the graveyard
7. Binding Mummy — taps a creature or artifact

a nontoken Wizard enters the battlefield — 1,243 cards in the game can cause this (Boris Devilboon is one).

1. Inalla, Archmage Ritualist — When Boris Devilboon enters, Inalla, Archmage Ritualist makes a token

a Wizard creature enters the battlefield — 1,264 cards in the game can cause this (Boris Devilboon is one).

1. Diviner's Wand — When Boris Devilboon enters, Diviner's Wand triggers

provide a creature to sacrifice — 2,720 cards in the game can cause this.

1. Kethek, Crucible Goliath — Boris Devilboon makes fodder for Kethek, Crucible Goliath
2. Industrial Advancement — Boris Devilboon makes fodder for Industrial Advancement
3. Divergent Transformations — Boris Devilboon makes fodder for Divergent Transformations
4. Transmogrify — Boris Devilboon makes fodder for Transmogrify

2,716 other cards cause it too. These are the ones with the most connections.

a creature token enters the battlefield — 2,799 cards in the game can cause this (Boris Devilboon is one).

When a Demon enters thanks to Boris Devilboon:

1. Securitron Squadron — puts a counter on a permanent
2. Anointer Priest — gains you 1 life
3. Nesting Dovehawk — puts a +1/+1 counter on itself

a creature token is created — 2,799 cards in the game can cause this (Boris Devilboon is one).

1. Staff of the Storyteller — When Boris Devilboon makes a Demon token, Staff of the Storyteller puts a story counter on itself

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

a token enters the battlefield — 3,710 cards in the game can cause this (Boris Devilboon is one).

When a Demon enters thanks to Boris Devilboon:

1. Baron Bertram Graywater — makes a token
2. Marneus Calgar — draws you 1 card
3. Belladonna Took — gains you 1 life
4. Kambal, Profiteering Mayor — makes each opponent lose 1 life
5. Lucy MacLean, Positively Armed — makes a token
6. Mister Fantastic, Reed Richards — draws you 1 card
7. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
8. Woodland Champion — puts that many +1/+1 counters on itself
9. Leonardo, the Balance — puts a counter on a creature
10. Spiritcall Enthusiast // Scrollboost — becomes prepared

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

a token is created — 3,711 cards in the game can cause this (Boris Devilboon is one).

When Boris Devilboon makes a Demon token:

1. Akim, the Soaring Wind — makes a token
2. Idol of Oblivion — draws you 1 card
3. Rosie Cotton of South Lane — puts a counter on a permanent
4. Mirkwood Bats — makes each opponent lose 1 life

17 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 (Boris Devilboon is one).

When Boris Devilboon 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

123 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 (Boris Devilboon is one).

When Boris Devilboon 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. Saw — sacrifices a creature
7. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
8. Ultima Weapon — kills a creature an opponent controls

197 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 (Boris Devilboon is one).

1. Tide of War — When Boris Devilboon blocks, Tide of War sacrifices a creature

29 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 (Boris Devilboon is one).

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

343 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 (Boris Devilboon is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When a Demon enters thanks to Boris Devilboon, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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