Mortarion, Daemon Primarch

a Demon enters the battlefield — 170 cards in Mortarion's colors can cause this (Mortarion is one).

1. Blood Speaker — When Mortarion, Daemon Primarch enters, Blood Speaker returns itself from the graveyard

a Warrior creature enters the battlefield — 187 cards in Mortarion's colors can cause this (Mortarion is one).

1. Obsidian Battle-Axe — When a Warrior enters thanks to Mortarion, Daemon Primarch, Obsidian Battle-Axe triggers

a Warrior enters the battlefield — 189 cards in Mortarion's colors can cause this (Mortarion is one).

1. Thrasher Brute — When a Warrior enters thanks to Mortarion, Daemon Primarch, Thrasher Brute makes each opponent lose 1 life

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

When Mortarion, Daemon Primarch makes an Astartes or Warrior token:

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

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

When Mortarion, Daemon Primarch 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

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

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

When Mortarion, Daemon Primarch 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

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

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

When Mortarion, Daemon Primarch 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 Mortarion's colors can cause this (Mortarion is one).

1. Hive Mind Coprocessor — When Mortarion, Daemon Primarch deals combat damage, Hive Mind Coprocessor makes you lose life

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

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

When Mortarion, Daemon Primarch 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 Mortarion's colors can cause this (Mortarion is one).

1. Minion Reflector — When Mortarion, Daemon Primarch enters, Minion Reflector makes a token

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

When an Astartes or Warrior enters thanks to Mortarion, Daemon Primarch:

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

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