Metalhead

an artifact is sacrificed — 471 cards in Metalhead's colors can cause this (Metalhead is one).

When you sacrifice another artifact to Metalhead:

1. Magnetic Snuffler — puts a +1/+1 counter on itself
2. Gleaming Geardrake — puts a +1/+1 counter on itself
3. Esoteric Duplicator — makes a token
4. Jaws, Relentless Predator — deals 1 damage
5. Crime Novelist — puts a +1/+1 counter on itself

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

an artifact in a graveyard — 614 cards in Metalhead's colors can cause this (Metalhead is one).

Metalhead puts cards into the:

1. The Emperor of Palamecia // The Lord Master of Hell — graveyard, and The Emperor of Palamecia // The Lord Master of Hell gets bigger
2. Trading Post — graveyard that Trading Post can bring back
3. Serpent of the Pass — graveyard, and Serpent of the Pass gets bigger
4. Goblin Engineer — graveyard that Goblin Engineer can bring back
5. Daretti, Rocketeer Engineer — graveyard that Daretti, Rocketeer Engineer can bring back
6. Scrap Welder — graveyard that Scrap Welder can bring back
7. Kami of Industry — graveyard that Kami of Industry can bring back
8. Trash for Treasure — graveyard that Trash for Treasure can bring back
9. Daretti, Scrap Savant — graveyard that Daretti, Scrap Savant can bring back
10. Summon: Esper Ramuh — graveyard, and Summon: Esper Ramuh gets bigger

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

a nontoken artifact is put into a graveyard from the battlefield — 614 cards in Metalhead's colors can cause this (Metalhead is one).

When you sacrifice another artifact to Metalhead:

1. Pia's Revolution — deals 3 damage
2. Farid, Enterprising Salvager — makes a token
3. Slagstone Refinery — makes a token

an artifact deals combat damage — 893 cards in Metalhead's colors can cause this (Metalhead is one).

When Metalhead deals combat damage:

1. Sharding Sphinx — makes a token
2. Research Thief — draws you 1 card
3. Thopter Spy Network — draws you 1 card

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

a nontoken artifact deals combat damage — 893 cards in Metalhead's colors can cause this (Metalhead is one).

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

an artifact attacks — 893 cards in Metalhead's colors can cause this (Metalhead is one).

1. Assaultron Dominator — When Metalhead attacks, Assaultron Dominator puts a counter on a permanent

an artifact is put into a graveyard from the battlefield — 625 cards in Metalhead's colors can cause this (Metalhead is one).

When you sacrifice another artifact to Metalhead:

1. Krenko, Baron of Tin Street — makes a token
2. Syr Ginger, the Meal Ender — puts a +1/+1 counter on itself
3. Gremlin Infestation — makes a token
4. Summoning Station — untaps itself
5. Tablet of Epityr — gains you 1 life
6. Magnetic Mine — deals 2 damage
7. Scrapheap — gains you 1 life

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

a creature gets a counter — 647 cards in Metalhead's colors can cause this (Metalhead is one).

When Metalhead gets a counter:

1. Casey Jones, Back Alley Brute — deals that much damage
2. Danny Pink — draws you 1 card
3. Omarthis, Ghostfire Initiate — puts a counter on a permanent
4. Rikku, Resourceful Guardian — triggers

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

an artifact is cast — 2,772 cards in Metalhead's colors can cause this (Metalhead is one).

When Metalhead is cast:

1. Sai, Master Thopterist — makes a token
2. Ravenous Robots — makes a token
3. Pinnacle Emissary — makes a token
4. Mirrodin Besieged — makes a token
5. Poetic Ingenuity — makes a token
6. Riddlesmith — draws you 1 card
7. Patchwork Automaton — puts a +1/+1 counter on itself
8. Iron Man, Bleeding Edge — copies a spell
9. Golem Foundry — puts a charge counter on itself
10. Efficient Construction — makes a token

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

a nontoken artifact enters the battlefield — 2,789 cards in Metalhead's colors can cause this (Metalhead is one).

When Metalhead enters:

1. Ultron, Artificial Malevolence — makes a token
2. Surge Conductor — proliferates
3. Replication Specialist — makes a token
4. Weapons Manufacturing — makes a token
5. Mirrorworks — makes a token

anything gets a counter — 1,298 cards in Metalhead's colors can cause this (Metalhead is one).

1. All Will Be One — When Metalhead gets a counter, All Will Be One deals that much damage

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

an artifact it grants types to — 3,094 cards in Metalhead's colors can cause this.

1. Silverskin Armor — Silverskin Armor gives Metalhead an extra creature type

3,093 other cards cause it too. These are the ones with the most connections.

an artifact enters the battlefield — 3,128 cards in Metalhead's colors can cause this (Metalhead is one).

When Metalhead enters:

1. Transplant Theorist — draws you 1 card
2. Mechan Assembler — makes a token
3. Rook Turret — draws you 1 card
4. Hedron Detonator — deals 1 damage
5. Skyswimmer Koi — draws you 1 card
6. Kappa Cannoneer — puts a +1/+1 counter on itself
7. Quicksmith Genius — draws and discards

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

a card in a graveyard — 2,886 cards in Metalhead's colors can cause this (Metalhead is one).

1. Vessel of Endless Rest — Metalhead puts cards into the graveyard that Vessel of Endless Rest can bring back

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

anything attacks — 6,189 cards in Metalhead's colors can cause this (Metalhead is one).

1. Shaun, Father of Synths — When Metalhead attacks, Shaun, Father of Synths makes a token

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

a creature enters the battlefield — 6,749 cards in Metalhead's colors can cause this (Metalhead is one).

1. Pollywog Prodigy — When Metalhead enters, Pollywog Prodigy puts a counter on itself

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

put anything onto the battlefield — 10,214 cards in Metalhead's colors can cause this.

When Metalhead enters:

1. Lifeline — thanks to Lifeline, it triggers
2. Shuri's Fabricator — thanks to Shuri's Fabricator, it triggers
3. Mirage Mockery — because Mirage Mockery copies it, its ability triggers again
4. Saheeli's Artistry — because Saheeli's Artistry copies it, its ability triggers again
5. March of Progress — because March of Progress copies it, its ability triggers again
6. Getaway Barrel — thanks to Getaway Barrel, it triggers
7. Vexing Puzzlebox — thanks to Vexing Puzzlebox, it triggers
8. Echo Storm — because Echo Storm copies it, its ability triggers again
9. Skyclave Relic — because Skyclave Relic copies it, its ability triggers again
10. N'Yami-Class Mother Ship — thanks to N'Yami-Class Mother Ship, it triggers

10,204 other cards cause it too. These are the ones with the most connections.