Ultron the Annihilator

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

When a Villain enters thanks to Ultron the Annihilator:

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 Ultron the Annihilator's colors can cause this (Ultron the Annihilator is one).

1. Bio-Asset Allocator — When Ultron the Annihilator attacks, Bio-Asset Allocator makes each opponent lose 1 life

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

1. Hive Mind Coprocessor — When Ultron the Annihilator deals combat damage, Hive Mind Coprocessor makes you lose life

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

1. Virulent Silencer — When Ultron the Annihilator deals combat damage, Virulent Silencer puts 2 counters on a permanent

put an artifact into a graveyard — 425 cards in Ultron the Annihilator's colors can cause this.

1. Monkey Cage — When Monkey Cage hits the graveyard, Ultron the Annihilator makes each opponent lose 1 life
2. Straw Golem — When Straw Golem hits the graveyard, Ultron the Annihilator makes each opponent lose 1 life
3. The Fantasticar — When The Fantasticar hits the graveyard, Ultron the Annihilator makes each opponent lose 1 life
4. Heart-Shaped Herb — When Heart-Shaped Herb hits the graveyard, Ultron the Annihilator makes each opponent lose 1 life
5. Ruthless Technomancer — When an artifact hits the graveyard thanks to Ruthless Technomancer, Ultron the Annihilator makes each opponent lose 1 life
6. Trading Post — When a card hits the graveyard thanks to Trading Post, Ultron the Annihilator makes each opponent lose 1 life
7. Sivriss, Nightmare Speaker — When a creature or artifact hits the graveyard thanks to Sivriss, Nightmare Speaker, Ultron the Annihilator makes each opponent lose 1 life
8. Fain, the Broker — When an artifact hits the graveyard thanks to Fain, the Broker, Ultron the Annihilator makes each opponent lose 1 life
9. Scrounge for Eternity — When a creature or artifact hits the graveyard thanks to Scrounge for Eternity, Ultron the Annihilator makes each opponent lose 1 life
10. Dawn-Blessed Pennant — When Dawn-Blessed Pennant hits the graveyard, Ultron the Annihilator makes each opponent lose 1 life

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

an artifact is put into a graveyard from the battlefield — 428 cards in Ultron the Annihilator's colors can cause this.

1. Chrome Dome — When an artifact is put into a graveyard from the battlefield thanks to Chrome Dome, Ultron the Annihilator makes each opponent lose 1 life
2. Transmutation Font — When an artifact is put into a graveyard from the battlefield thanks to Transmutation Font, Ultron the Annihilator makes each opponent lose 1 life
3. Lich-Knights' Conquest — When an artifact is put into a graveyard from the battlefield thanks to Lich-Knights' Conquest, Ultron the Annihilator makes each opponent lose 1 life
4. Egon, God of Death // Throne of Death — When Egon, God of Death // Throne of Death is put into a graveyard from the battlefield, Ultron the Annihilator makes each opponent lose 1 life
5. Restless Bloodseeker // Bloodsoaked Reveler — When a Blood is put into a graveyard from the battlefield thanks to Restless Bloodseeker // Bloodsoaked Reveler, Ultron the Annihilator makes each opponent lose 1 life
6. Mordor Trebuchet — When a Construct is put into a graveyard from the battlefield thanks to Mordor Trebuchet, Ultron the Annihilator makes each opponent lose 1 life
7. Gemini Engine — When a Construct is put into a graveyard from the battlefield thanks to Gemini Engine, Ultron the Annihilator makes each opponent lose 1 life
8. Glass-Cast Heart — When Glass-Cast Heart is put into a graveyard from the battlefield, Ultron the Annihilator makes each opponent lose 1 life
9. Hornet Cannon — When an Insect is put into a graveyard from the battlefield thanks to Hornet Cannon, Ultron the Annihilator makes each opponent lose 1 life
10. Falkenrath Forebear — When a Blood is put into a graveyard from the battlefield thanks to Falkenrath Forebear, Ultron the Annihilator makes each opponent lose 1 life

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

life is lost — 1,256 cards in Ultron the Annihilator's colors can cause this (Ultron the Annihilator is one).

When a permanent makes a player lose life thanks to Ultron the Annihilator:

1. Hour of Victory — raises your speed
2. Walking Sarcophagus — raises your speed
3. Gas Guzzler — raises your speed
4. Gastal Raider — raises your speed
5. Risen Necroregent — raises your speed
6. The Master of Lake-town — mills a card
7. Starting Column — raises your speed
8. Momentum Breaker — raises your speed
9. Racers' Scoreboard — raises your speed
10. Bloodthirsty Conqueror — gains you that much life

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

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

When Ultron the Annihilator 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 Ultron the Annihilator's colors can cause this (Ultron the Annihilator is one).

When Ultron the Annihilator makes a Robot or 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 Ultron the Annihilator's colors can cause this (Ultron the Annihilator is one).

When Ultron the Annihilator 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 Ultron the Annihilator's colors can cause this (Ultron the Annihilator is one).

When a Robot or Villain enters thanks to Ultron the Annihilator:

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

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

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

When Ultron the Annihilator 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 Ultron the Annihilator's colors can cause this (Ultron the Annihilator is one).

When Ultron the Annihilator 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

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

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

When Ultron the Annihilator blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Dead-Iron Sledge — kills a creature

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