Mordenkainen

a planeswalker it grants abilities to — 312 cards in the game can cause this.

1. Ichormoon Gauntlet — Ichormoon Gauntlet gives Mordenkainen an extra ability
2. Way of the Cryomancer — Way of the Cryomancer gives Mordenkainen an extra ability

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

a planeswalker is cast — 361 cards in the game can cause this (Mordenkainen is one).

When Mordenkainen is cast:

1. Jaya's Phoenix — returns itself from the graveyard
2. Interplanar Beacon — gains you 1 life
3. Defiler of Dreams — draws you 1 card
4. Primeval Bounty — puts 3 counters on a creature
5. Tetsuko Umezawa, Pursuer — gets +1/+1
6. Thor, God of Thunder — deals that spell's mana value damage
7. Krile Baldesion — brings a card back
8. Summon: Good King Mog XII — makes a token
9. Kykar, Wind's Fury — makes a token
10. Blood Funnel — sacrifices a creature

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

a planeswalker enters the battlefield — 366 cards in the game can cause this (Mordenkainen is one).

1. Liliana the Repentant — When a Dog or Illusion enters thanks to Mordenkainen, Liliana the Repentant mills a card
2. Liliana the Faultless — When a Dog or Illusion enters thanks to Mordenkainen, Liliana the Faultless gains you 1 life
3. Builder's Talent — When Mordenkainen enters, Builder's Talent puts a counter on a creature
4. Brainstealer Dragon — When a Dog or Illusion enters thanks to Mordenkainen, Brainstealer Dragon makes a player lose life equal to its mana value
5. Cloudstone Curio — When a Dog or Illusion enters thanks to Mordenkainen, Cloudstone Curio triggers

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

1. Jalira, Master Polymorphist — Mordenkainen makes fodder for Jalira, Master Polymorphist
2. Polymorph — Mordenkainen makes fodder for Polymorph
3. Proteus Staff — Mordenkainen makes fodder for Proteus Staff
4. Synthetic Destiny — Mordenkainen makes fodder for Synthetic Destiny
5. Mass Polymorph — Mordenkainen makes fodder for Mass Polymorph

2,715 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 (Mordenkainen is one).

When a Dog or Illusion enters thanks to Mordenkainen:

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 (Mordenkainen is one).

1. Staff of the Storyteller — When Mordenkainen makes a Dog or Illusion 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 (Mordenkainen is one).

When a Dog or Illusion enters thanks to Mordenkainen:

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 (Mordenkainen is one).

When Mordenkainen makes a Dog or Illusion 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.

a card is drawn — 3,815 cards in the game can cause this (Mordenkainen is one).

When Mordenkainen makes a player draw a card:

1. Temmet, Naktamun's Will — gives +1/+1
2. Niv-Mizzet, Parun — deals 1 damage
3. Aether Syphon — mills a card
4. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
6. Diviner's Wand — gets +1/+1
7. Ominous Seas — puts a foreshadow counter on itself
8. Dream Trawler — gets +1/+0
9. Iron Man, Armored Avenger — puts a counter on a creature
10. The Astonishing Ant-Man — puts a +1/+1 counter on itself

57 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 (Mordenkainen is one).

When a Dog or Illusion enters thanks to Mordenkainen:

1. Lunarch Veteran // Luminous Phantom — gains you 1 life
2. Pious Evangel // Wayward Disciple — gains you 1 life
3. Daxos, Blessed by the Sun — gains you 1 life
4. Elas il-Kor, Sadistic Pilgrim — gains you 1 life
5. Blasting Station — untaps itself
6. General Kreat, the Boltbringer — deals 1 damage
7. Sage of the Falls — draws you 1 card
8. Mogg Bombers — sacrifices itself
9. Flame-Kin War Scout — sacrifices itself
10. Monkey Cage — sacrifices itself

327 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 (Mordenkainen is one).

When a Dog or Illusion enters thanks to Mordenkainen:

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — puts a +1/+1 counter on itself
2. Nature's Wrath — makes a player sacrifice an Island or permanent

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