Arnim Zola, Bio-Fanatic

a Villain enters the battlefield — 99 cards in Arnim Zola's colors can cause this (Arnim Zola is one).

When a Villain enters thanks to Arnim Zola, Bio-Fanatic:

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

an artifact attacks — 774 cards in Arnim Zola's colors can cause this (Arnim Zola is one).

1. Bio-Asset Allocator — When Arnim Zola, Bio-Fanatic attacks, Bio-Asset Allocator makes each opponent lose 1 life

an artifact deals combat damage — 774 cards in Arnim Zola's colors can cause this (Arnim Zola is one).

1. Hive Mind Coprocessor — When Arnim Zola, Bio-Fanatic deals combat damage, Hive Mind Coprocessor makes you lose life

a nontoken artifact deals combat damage — 774 cards in Arnim Zola's colors can cause this (Arnim Zola is one).

1. Virulent Silencer — When Arnim Zola, Bio-Fanatic deals combat damage, Virulent Silencer puts 2 counters on a permanent

an artifact is cast — 2,470 cards in Arnim Zola's colors can cause this (Arnim Zola is one).

When Arnim Zola, Bio-Fanatic is cast:

1. Patchwork Automaton — puts a +1/+1 counter on itself
2. Golem Foundry — puts a charge counter on itself
3. Painsmith — gives +2/+0
4. Golem's Heart — gains you 1 life
5. Urza's Chalice — gains you 1 life
6. Solar Array — grants sunburst
7. Traxos, Scourge Eternal — untaps itself
8. Lux Artillery — grants sunburst
9. Defiler of Flesh — gives +1/+1
10. Biotransference — makes you lose life

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

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

When Arnim Zola, Bio-Fanatic makes a Villain token:

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

a nontoken artifact enters the battlefield — 2,473 cards in Arnim Zola's colors can cause this (Arnim Zola is one).

When Arnim Zola, Bio-Fanatic enters:

1. Ultron, Artificial Malevolence — makes a token
2. Surge Conductor — proliferates
3. Mirrorworks — makes a token

an artifact enters the battlefield — 2,613 cards in Arnim Zola's colors can cause this (Arnim Zola is one).

When Arnim Zola, Bio-Fanatic enters:

1. Underhanded Designs — makes each opponent lose 1 life
2. Pactdoll Terror — makes each opponent lose 1 life
3. Arcbound Crusher — puts a +1/+1 counter on itself
4. Arcbound Condor — shrinks a creature by -1/-1
5. Glaze Fiend — gets +2/+2
6. Battered Golem — untaps itself
7. Skorpekh Destroyer — grants first strike
8. Grinding Station — untaps itself
9. Ovalchase Daredevil — returns itself from the graveyard
10. Vermiculos — gets +4/+4

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

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

When Arnim Zola, Bio-Fanatic 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

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

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

When Arnim Zola, Bio-Fanatic 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

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

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

When Arnim Zola, Bio-Fanatic 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 is cast — 3,493 cards in Arnim Zola's colors can cause this (Arnim Zola is one).

When Arnim Zola, Bio-Fanatic is cast:

1. Endrek Sahr, Master Breeder — makes that spell's mana value tokens
2. Skittering Horror — sacrifices itself
3. Skittering Skirge — sacrifices itself
4. Skittering Monstrosity — sacrifices itself

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