Helmut Zemo, Mastermind

an instant in a graveyard — 2 cards in the game can cause this (Helmut Zemo is one).

1. Makeshift Mannequin — When Makeshift Mannequin is in the graveyard, Helmut Zemo, Mastermind can bring it back
2. Supper for Spiders — When Supper for Spiders is in the graveyard, Helmut Zemo, Mastermind can bring it back

an instant leaves a graveyard — 202 cards in the game can cause this (Helmut Zemo is one).

1. Murktide Regent — When an instant leaves a graveyard thanks to Helmut Zemo, Mastermind, Murktide Regent puts a +1/+1 counter on itself

a Villain deals combat damage — 255 cards in the game can cause this (Helmut Zemo is one).

When Helmut Zemo, Mastermind deals combat damage:

1. Loki, the Deceiver — draws you 1 card
2. Stilt-Man, Towering Terror — triggers

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

a Villain enters the battlefield — 268 cards in the game can cause this (Helmut Zemo is one).

When Helmut Zemo, Mastermind enters:

1. Flying Octobot — puts a +1/+1 counter on itself
2. Doom Reigns Supreme — makes each opponent lose 1 life
3. Crossbones, Malicious Mercenary — puts a +1/+1 counter on itself
4. Yellowjacket, Heartless Marauder — gets +1/+0
5. Swordsman, Sharp Scoundrel — triggers
6. Prowler, Clawed Thief — draws and discards
7. Baron Strucker, HYDRA Overlord — draws and discards

a Human gets a counter — 326 cards in the game can cause this (Helmut Zemo is one).

1. Cloaked Cadet — When Helmut Zemo, Mastermind gets a counter, Cloaked Cadet draws you 1 card

anything is exiled — 2,497 cards in the game can cause this (Helmut Zemo is one).

1. The War Doctor — When Helmut Zemo, Mastermind is exiled, The War Doctor puts a time counter on itself

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

anything leaves a graveyard — 2,503 cards in the game can cause this (Helmut Zemo is one).

When an instant or sorcery leaves a graveyard thanks to Helmut Zemo, Mastermind:

1. Blastoneuron — makes each opponent lose 1 life
2. Defiled Crypt // Cadaver Lab — makes a token
3. Teval, the Balanced Scale — makes a token
4. Hologram Stalker — makes a token
5. Tormod, the Desecrator — makes a token
6. Quintorius, Field Historian — makes a token
7. Garrison Excavator — makes a token
8. Amzu, Swarm's Hunger — makes a token
9. Kirol, History Buff // Pack a Punch — becomes prepared
10. Teval's Judgment — triggers

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

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

When Helmut Zemo, Mastermind gets a counter:

1. Hollowmurk Siege — draws you 1 card
2. Ant-Man, Colony Commander — makes a token
3. Earth Kingdom General — gains you that much life
4. Casey Jones, Back Alley Brute — deals that much damage
5. Generous Patron — draws you 1 card
6. Shalai and Hallar — deals that much damage
7. Danny Pink — draws you 1 card
8. Enduring Scalelord — puts a +1/+1 counter on itself
9. Bold Plagiarist — puts counters on a permanent
10. Mikey & Leo, Chaos & Order — draws you 1 card

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

a sorcery is cast — 3,720 cards in the game can cause this (Helmut Zemo is one).

1. Electro, Assaulting Battery — When an instant is cast thanks to Helmut Zemo, Mastermind, Electro, Assaulting Battery adds 1 mana
2. Spellweaver Volute — When a sorcery is cast thanks to Helmut Zemo, Mastermind, Spellweaver Volute copies a spell
3. Riku of Two Reflections — When an instant is cast thanks to Helmut Zemo, Mastermind, Riku of Two Reflections copies a spell
4. Sword of Wealth and Power — When an instant is cast thanks to Helmut Zemo, Mastermind, Sword of Wealth and Power copies a spell
5. Lilah, Undefeated Slickshot — When an instant is cast thanks to Helmut Zemo, Mastermind, Lilah, Undefeated Slickshot gets +1/+1
6. Extus, Oriq Overlord // Awaken the Blood Avatar — When an instant is cast thanks to Helmut Zemo, Mastermind, Extus, Oriq Overlord // Awaken the Blood Avatar brings a card back
7. Metallurgic Summonings — When an instant is cast thanks to Helmut Zemo, Mastermind, Metallurgic Summonings makes a token
8. Storm-Kiln Artist — When an instant is cast thanks to Helmut Zemo, Mastermind, Storm-Kiln Artist makes a token
9. Niblis of Frost — When an instant is cast thanks to Helmut Zemo, Mastermind, Niblis of Frost taps a creature an opponent controls
10. Mica, Reader of Ruins — When an instant is cast thanks to Helmut Zemo, Mastermind, Mica, Reader of Ruins sacrifices an artifact

424 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 (Helmut Zemo is one).

1. Shaun, Father of Synths — When Helmut Zemo, Mastermind attacks, Shaun, Father of Synths makes a token

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

a creature is cast — 18,010 cards in the game can cause this (Helmut Zemo is one).

1. God-Eternal Oketra — When Helmut Zemo, Mastermind is cast, God-Eternal Oketra makes a token

90 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 (Helmut Zemo is one).

When Helmut Zemo, Mastermind enters:

1. Scurry Oak — puts a counter on itself
2. Fathom Mage — puts a counter on itself
3. Pollywog Prodigy — puts a counter on itself

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