Helmut Zemo, Mastermind

an instant leaves a graveyard — 83 cards in Helmut Zemo's colors 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 enters the battlefield — 55 cards in Helmut Zemo's colors can cause this (Helmut Zemo is one).

1. Flying Octobot — When Helmut Zemo, Mastermind enters, Flying Octobot puts a +1/+1 counter on itself

a creature gets a counter — 380 cards in Helmut Zemo's colors can cause this (Helmut Zemo is one).

When Helmut Zemo, Mastermind gets a counter:

1. Danny Pink — draws you 1 card
2. Omarthis, Ghostfire Initiate — puts a counter on a permanent
3. Rikku, Resourceful Guardian — triggers

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

a sorcery is cast — 581 cards in Helmut Zemo's colors can cause this (Helmut Zemo is one).

1. Spellweaver Volute — When a sorcery is cast thanks to Helmut Zemo, Mastermind, Spellweaver Volute copies a spell
2. Sword of Wealth and Power — When an instant is cast thanks to Helmut Zemo, Mastermind, Sword of Wealth and Power copies a spell
3. Metallurgic Summonings — When an instant is cast thanks to Helmut Zemo, Mastermind, Metallurgic Summonings makes a token
4. Poppet Stitcher // Poppet Factory — When an instant is cast thanks to Helmut Zemo, Mastermind, Poppet Stitcher // Poppet Factory makes a token
5. Deekah, Fractal Theorist — When an instant is cast thanks to Helmut Zemo, Mastermind, Deekah, Fractal Theorist makes a token
6. Muse Seeker — When an instant is cast thanks to Helmut Zemo, Mastermind, Muse Seeker draws you 1 card
7. Murmuring Mystic — When an instant is cast thanks to Helmut Zemo, Mastermind, Murmuring Mystic makes a token
8. Talrand, Sky Summoner — When an instant is cast thanks to Helmut Zemo, Mastermind, Talrand, Sky Summoner 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. Thunderclap Drake — When an instant is cast thanks to Helmut Zemo, Mastermind, Thunderclap Drake sacrifices itself

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

an instant is cast — 967 cards in Helmut Zemo's colors can cause this (Helmut Zemo is one).

When an instant is cast thanks to Helmut Zemo, Mastermind:

1. Lunar Mystic — draws you 1 card
2. In the Eye of Chaos — counters a spell

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

a Human enters the battlefield — 634 cards in Helmut Zemo's colors can cause this (Helmut Zemo is one).

1. Captain of the Mists — When Helmut Zemo, Mastermind enters, Captain of the Mists untaps itself

a creature attacks — 3,238 cards in Helmut Zemo's colors can cause this (Helmut Zemo is one).

When Helmut Zemo, Mastermind attacks:

1. Adaptive Omnitool — searches a library
2. Kindred Discovery — draws you 1 card
3. Screaming Swarm — mills a card
4. Imperious Mindbreaker — mills a card
5. Staff of Titania — makes a token
6. Inquisitorial Rosette — makes a token
7. Andúril, Flame of the West — makes 2 tokens
8. Saw — sacrifices a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Throwing Knife — sacrifices itself

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

anything attacks — 3,238 cards in Helmut Zemo's colors can cause this (Helmut Zemo is one).

When Helmut Zemo, Mastermind attacks:

1. ED-E, Lonesome Eyebot — puts a quest counter on itself
2. Madame Web, Clairvoyant — mills a card
3. Dawnsire, Sunstar Dreadnought — deals 100 damage
4. Curse of Verbosity — draws you 1 card
5. Gossip's Talent — triggers
6. Alora, Merry Thief — triggers
7. Twins of Discord — triggers
8. Great Gilded Boat — draws and discards
9. Cosmic Cube — triggers
10. Doom's Time Platform — exiles a card from your graveyard

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

a creature blocks — 3,238 cards in Helmut Zemo's colors can cause this (Helmut Zemo is one).

When Helmut Zemo, Mastermind blocks:

1. Barrow-Blade — strips abilities
2. Dead-Iron Sledge — kills a creature
3. Dwindle — kills a creature

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

a creature is cast — 3,254 cards in Helmut Zemo's colors can cause this (Helmut Zemo is one).

When Helmut Zemo, Mastermind is cast:

1. Oketra's Monument — makes a token
2. The Clone Saga — copies a spell
3. Customs Depot — draws you 1 card
4. Bontu's Monument — makes each opponent lose 1 life
5. Vanquisher's Banner — draws you 1 card
6. Rhonas's Monument — gives +2/+2
7. Hazoret's Monument — draws and discards
8. Aether Barrier — makes a player sacrifice a permanent
9. Kefnet's Monument — triggers
10. Equilibrium — triggers

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

a nontoken creature enters the battlefield — 3,316 cards in Helmut Zemo's colors can cause this (Helmut Zemo is one).

When Helmut Zemo, Mastermind enters:

1. Arni, Humble Scribe — untaps itself
2. Minion Reflector — makes a token
3. Overburden — triggers

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

a creature enters the battlefield — 3,581 cards in Helmut Zemo's colors can cause this (Helmut Zemo is one).

When Helmut Zemo, Mastermind enters:

1. Pollywog Prodigy — puts a counter on itself
2. Ray Fillet, Wave Warrior — puts a counter on itself
3. Blasting Station — untaps itself
4. Bloodline Pretender — puts a +1/+1 counter on itself
5. Monkey Cage — sacrifices itself

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

anything is cast — 7,036 cards in Helmut Zemo's colors can cause this (Helmut Zemo is one).

1. Master of Winds — When an instant or sorcery is cast thanks to Helmut Zemo, Mastermind, Master of Winds triggers

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