Manakin

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

When Manakin attacks:

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

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

When Manakin 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 (Manakin is one).

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

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

When Manakin is cast:

1. Mendicant Core, Guidelight — copies a spell
2. Sai, Master Thopterist — makes a token
3. Ravenous Robots — makes a token
4. Pinnacle Emissary — makes a token
5. Mirrodin Besieged — makes a token
6. Poetic Ingenuity — makes a token
7. Digsite Engineer — makes a token
8. Myrsmith — makes a token
9. Riddlesmith — draws you 1 card
10. 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 (Manakin is one).

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

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

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

When Manakin attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Invisible Woman — triggers
4. Caesar, Legion's Emperor — sacrifices a creature
5. Guide of Souls — triggers
6. Campsite Cuisine — sacrifices a Food
7. Gossip's Talent — triggers

130 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 (Manakin is one).

When Manakin attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Saw — sacrifices a creature

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

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

1. Tide of War — When Manakin blocks, Tide of War sacrifices a creature

27 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 (Manakin is one).

1. Primeval Bounty — When Manakin 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 (Manakin is one).

1. Slash, Reptile Rampager — When Manakin enters, Slash, Reptile Rampager deals 2 damage
2. Ray Fillet, Wave Warrior — When Manakin enters, Ray Fillet, Wave Warrior puts a counter on itself
3. Bess, Soul Nourisher — When Manakin enters, Bess, Soul Nourisher puts a +1/+1 counter on itself
4. The Neutrinos — When Manakin enters, The Neutrinos gets +1/+0
5. Wingnut, Bat on the Belfry — When Manakin enters, Wingnut, Bat on the Belfry grants flying, haste and menace
6. Aetherstorm Roc — When Manakin enters, Aetherstorm Roc puts a counter on a permanent you control
7. Raphael, Most Attitude — When Manakin enters, Raphael, Most Attitude exiles a card from your library

339 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 (Manakin is one).

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

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