Onulet

an artifact attacks — 1,243 cards in the game can cause this (Onulet is one).

1. Alibou, Ancient Witness — When Onulet attacks, Alibou, Ancient Witness deals X damage
2. Bio-Asset Allocator — When Onulet attacks, Bio-Asset Allocator makes each opponent lose 1 life
3. Assaultron Dominator — When Onulet attacks, Assaultron Dominator puts a counter on a permanent
4. Aloy, Savior of Meridian — When Onulet attacks, Aloy, Savior of Meridian triggers

an artifact deals combat damage — 1,243 cards in the game can cause this (Onulet is one).

When Onulet deals combat damage:

1. Locutus of Borg — makes a token
2. Sharding Sphinx — makes a token
3. Antagonist Incorporator — makes a token
4. Research Thief — draws you 1 card
5. Thopter Spy Network — draws you 1 card
6. Hive Mind Coprocessor — makes you lose life
7. Pia Nalaar, Chief Mechanic — puts a counter on a permanent you control
8. Automated Assembly Line — triggers

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

a nontoken artifact deals combat damage — 1,243 cards in the game can cause this (Onulet is one).

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

life is gained — 2,076 cards in the game can cause this (Onulet is one).

When Onulet gains life:

1. Dina, Soul Steeper — makes each opponent lose 1 life
2. Marina Vendrell's Grimoire — draws you that many cards
3. South Wind Avatar — makes each opponent lose 1 life
4. Rodolf Duskbringer — grants indestructible
5. Fiendish Panda — puts a +1/+1 counter on itself
6. Veinwitch Coven — brings a card back
7. Cleric Class — puts a counter on a creature
8. Lich's Mastery — draws you that many cards
9. Wall of Limbs — puts a +1/+1 counter on itself
10. Ratchet, Field Medic // Ratchet, Rescue Racer — triggers

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

an artifact is cast — 3,683 cards in the game can cause this (Onulet is one).

1. Mendicant Core, Guidelight — When Onulet is cast, Mendicant Core, Guidelight copies a spell
2. Sai, Master Thopterist — When Onulet is cast, Sai, Master Thopterist makes a token
3. Ravenous Robots — When Onulet is cast, Ravenous Robots makes a token
4. Pinnacle Emissary — When Onulet is cast, Pinnacle Emissary makes a token
5. Mirrodin Besieged — When Onulet is cast, Mirrodin Besieged makes a token
6. Poetic Ingenuity — When Onulet is cast, Poetic Ingenuity makes a token
7. Digsite Engineer — When Onulet is cast, Digsite Engineer makes a token
8. Myrsmith — When Onulet is cast, Myrsmith makes a token
9. Riddlesmith — When Onulet is cast, Riddlesmith draws you 1 card
10. Dr. Madison Li — When Onulet is cast, Dr. Madison Li puts a counter on a permanent you control

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

a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Onulet is one).

1. Ultron, Artificial Malevolence — When Onulet enters, Ultron, Artificial Malevolence makes a token
2. The Prydwen, Steel Flagship — When Onulet enters, The Prydwen, Steel Flagship makes a token
3. Conquest Mission — When Onulet enters, Conquest Mission puts a quest counter on itself
4. Surge Conductor — When Onulet enters, Surge Conductor proliferates
5. Replication Specialist — When Onulet enters, Replication Specialist makes a token
6. Weapons Manufacturing — When Onulet enters, Weapons Manufacturing makes a token
7. Mirrorworks — When Onulet enters, Mirrorworks makes a token

an artifact enters the battlefield — 4,643 cards in the game can cause this (Onulet is one).

1. Transplant Theorist — When Onulet enters, Transplant Theorist draws you 1 card
2. Elvish Archivist — When Onulet enters, Elvish Archivist puts 2 +1/+1 counters on itself
3. Golbez, Crystal Collector — When Onulet enters, Golbez, Crystal Collector surveils
4. Sludge Strider — When Onulet enters, Sludge Strider makes a player lose 1 life
5. Underhanded Designs — When Onulet enters, Underhanded Designs makes each opponent lose 1 life
6. Mechan Assembler — When Onulet enters, Mechan Assembler makes a token
7. Glassdust Hulk — When Onulet enters, Glassdust Hulk gets +1/+1
8. Rook Turret — When Onulet enters, Rook Turret draws you 1 card
9. Hedron Detonator — When Onulet enters, Hedron Detonator deals 1 damage
10. Pactdoll Terror — When Onulet enters, Pactdoll Terror makes each opponent lose 1 life

56 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 (Onulet is one).

1. Far Fortune, End Boss — When Onulet attacks, Far Fortune, End Boss deals 1 damage
2. Temmet, Naktamun's Will — When Onulet attacks, Temmet, Naktamun's Will draws you 1 card
3. Invisible Woman — When Onulet attacks, Invisible Woman triggers
4. Caesar, Legion's Emperor — When Onulet attacks, Caesar, Legion's Emperor sacrifices a creature
5. Guide of Souls — When Onulet attacks, Guide of Souls triggers

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

a creature attacks — 17,934 cards in the game can cause this (Onulet is one).

1. Adaptive Omnitool — When Onulet attacks, Adaptive Omnitool searches a library

198 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 (Onulet is one).

1. Primeval Bounty — When Onulet is cast, Primeval Bounty 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 (Onulet is one).

1. Pollywog Prodigy — When Onulet enters, Pollywog Prodigy puts a counter on itself
2. Slash, Reptile Rampager — When Onulet enters, Slash, Reptile Rampager deals 2 damage

346 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 (Onulet is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Onulet enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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