Malfegor

hits creature — 2,298 cards in the game can cause this.

1. Jalira, Master Polymorphist — Jalira, Master Polymorphist can put Malfegor onto the battlefield from your library
2. Polymorph — Polymorph can put Malfegor onto the battlefield from your library
3. Birthing Ritual — Birthing Ritual can put Malfegor onto the battlefield from your library
4. Industrial Advancement — Industrial Advancement can put Malfegor onto the battlefield from your library
5. Killer Instinct — Killer Instinct can put Malfegor onto the battlefield from your library
6. Arthur, Marigold Knight — Arthur, Marigold Knight can put Malfegor onto the battlefield from your library
7. Proteus Staff — Proteus Staff can put Malfegor onto the battlefield from your library
8. Synthetic Destiny — Synthetic Destiny can put Malfegor onto the battlefield from your library
9. Divergent Transformations — Divergent Transformations can put Malfegor onto the battlefield from your library
10. Transmogrify — Transmogrify can put Malfegor onto the battlefield from your library
11. Lukka, Coppercoat Outcast — Lukka, Coppercoat Outcast can put Malfegor onto the battlefield from your library
12. Identity Echo — Identity Echo can put Malfegor onto the battlefield from your library

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

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

When Malfegor enters:

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

a Dragon attacks — 474 cards in the game can cause this (Malfegor is one).

When Malfegor attacks:

1. Silumgar, the Drifting Death — shrinks a creature by -1/-1
2. Utvara Hellkite — makes a token
3. The Ur-Dragon — draws you that many cards
4. Atarka, World Render — grants double strike
5. Kolaghan, the Storm's Fury — gives +1/+0
6. Invasion of Tarkir // Defiant Thundermaw — deals 2 damage
7. Ojutai, Soul of Winter — taps a creature, artifact, enchantment, planeswalker or battle an opponent controls
8. Dromoka, the Eternal — puts a counter on a permanent

a Dragon deals combat damage — 474 cards in the game can cause this (Malfegor is one).

When Malfegor deals combat damage:

1. Parapet Thrasher — triggers
2. Broodcaller Scourge — puts a permanent onto the battlefield
3. Zurgo and Ojutai — triggers

a nontoken Dragon enters the battlefield — 484 cards in the game can cause this (Malfegor is one).

When Malfegor enters:

1. Lathliss, Dragon Queen — makes a token
2. Miirym, Sentinel Wyrm — makes a token

a Dragon it applies enters with counters to — 488 cards in the game can cause this.

1. Dragonstorm Globe — Dragonstorm Globe gives Malfegor counters as it enters

487 other cards cause it too. These are the ones with the most connections.

a Dragon creature it boosts — 523 cards in the game can cause this.

1. Crucible of Fire — Crucible of Fire gives Malfegor bigger stats

522 other cards cause it too. These are the ones with the most connections.

a Dragon enters the battlefield — 524 cards in the game can cause this (Malfegor is one).

When Malfegor enters:

1. Dragon Tempest — deals damage
2. Bloomvine Regent // Claim Territory — gains you 3 life
3. Sarkhan, Dragon Ascendant — puts a +1/+1 counter on itself
4. Ganax, Astral Hunter — makes a token
5. Scourge of Valkas — deals damage
6. Bladewing's Thrall — returns itself from the graveyard
7. Sarkhan, Soul Aflame — copies a permanent
8. Teeming Dragonstorm — triggers
9. Corroding Dragonstorm — triggers
10. Roiling Dragonstorm — triggers

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

a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Malfegor is one).

1. Fumulus, the Infestation — When a creature is sacrificed thanks to Malfegor, Fumulus, the Infestation makes a token

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

a creature is sacrificed — 1,741 cards in the game can cause this (Malfegor is one).

When a creature is sacrificed thanks to Malfegor:

1. Caesar, Legion's Emperor — makes 2 tokens
2. Malik, Grim Manipulator — makes a token
3. Thraximundar — puts a +1/+1 counter on itself
4. Legate Lanius, Caesar's Ace — puts a +1/+1 counter on itself
5. Zodiark, Umbral God — puts a +1/+1 counter on itself
6. Evin, Waterdeep Opportunist — makes a token
7. Mortician Beetle — puts a +1/+1 counter on itself

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

a card is discarded — 2,042 cards in the game can cause this (Malfegor is one).

When Malfegor makes a player discard a card:

1. Ivora, Insatiable Heir — puts a +1/+1 counter on itself
2. Cool but Rude — deals 2 damage
3. Containment Construct — brings a card back
4. Moonstone, Harsh Mistress — brings a card back
5. Lazotep Chancellor — puts 2 counters on a Zombie or Army
6. Magmakin Artillerist — deals that much damage
7. Inti, Seneschal of the Sun — exiles a card from your library
8. Pitchstone Wall — sacrifices itself
9. Currency Converter — exiles it
10. Hostile Investigator — triggers

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

a creature in a graveyard — 2,769 cards in the game can cause this (Malfegor is one).

Malfegor puts cards into the:

1. Chainer, Dementia Master — graveyard that Chainer, Dementia Master can bring back
2. Grist, the Hunger Tide — graveyard, and Grist, the Hunger Tide gets bigger
3. Riveteers Ascendancy — graveyard that Riveteers Ascendancy can bring back
4. Havengul Lich — graveyard that Havengul Lich can bring back

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

a creature dies — 2,830 cards in the game can cause this (Malfegor is one).

1. Sangromancer — When a creature dies thanks to Malfegor, Sangromancer gains you 3 life

461 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 (Malfegor is one).

1. Shaun, Father of Synths — When Malfegor attacks, Shaun, Father of Synths makes a token

150 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 (Malfegor is one).

1. Invasion of New Capenna // Holy Frazzle-Cannon — When Malfegor attacks, Invasion of New Capenna // Holy Frazzle-Cannon puts counters on a permanent

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