Optimus Prime, Hero // Optimus Prime, Autobot Leader

hits creature — 1,158 cards in Optimus Prime's colors can cause this.

1. Jalira, Master Polymorphist — Jalira, Master Polymorphist can put Optimus Prime, Hero // Optimus Prime, Autobot Leader onto the battlefield from your library
2. Polymorph — Polymorph can put Optimus Prime, Hero // Optimus Prime, Autobot Leader onto the battlefield from your library
3. Industrial Advancement — Industrial Advancement can put Optimus Prime, Hero // Optimus Prime, Autobot Leader onto the battlefield from your library
4. Arthur, Marigold Knight — Arthur, Marigold Knight can put Optimus Prime, Hero // Optimus Prime, Autobot Leader onto the battlefield from your library
5. Proteus Staff — Proteus Staff can put Optimus Prime, Hero // Optimus Prime, Autobot Leader onto the battlefield from your library
6. Synthetic Destiny — Synthetic Destiny can put Optimus Prime, Hero // Optimus Prime, Autobot Leader onto the battlefield from your library
7. Divergent Transformations — Divergent Transformations can put Optimus Prime, Hero // Optimus Prime, Autobot Leader onto the battlefield from your library
8. Transmogrify — Transmogrify can put Optimus Prime, Hero // Optimus Prime, Autobot Leader onto the battlefield from your library
9. Mass Polymorph — Mass Polymorph can put Optimus Prime, Hero // Optimus Prime, Autobot Leader onto the battlefield from your library
10. Chaos Mutation — Chaos Mutation can put Optimus Prime, Hero // Optimus Prime, Autobot Leader onto the battlefield from your library
11. Lukka, Coppercoat Outcast — Lukka, Coppercoat Outcast can put Optimus Prime, Hero // Optimus Prime, Autobot Leader onto the battlefield from your library
12. Identity Echo — Identity Echo can put Optimus Prime, Hero // Optimus Prime, Autobot Leader onto the battlefield from your library

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

a Vehicle enters the battlefield — 164 cards in Optimus Prime's colors can cause this (Optimus Prime is one).

When Optimus Prime, Hero // Optimus Prime, Autobot Leader enters:

1. Kolodin, Triumph Caster — turns something into a creature
2. Miles "Tails" Prower — draws you 1 card

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

an artifact attacks — 1,012 cards in Optimus Prime's colors can cause this (Optimus Prime is one).

When Optimus Prime, Hero // Optimus Prime, Autobot Leader attacks:

1. Alibou, Ancient Witness — deals X damage
2. Assaultron Dominator — puts a counter on a permanent

an artifact deals combat damage — 1,012 cards in Optimus Prime's colors can cause this (Optimus Prime is one).

When Optimus Prime, Hero // Optimus Prime, Autobot Leader deals combat damage:

1. Sharding Sphinx — makes a token
2. Antagonist Incorporator — makes a token
3. Research Thief — draws you 1 card
4. Thopter Spy Network — draws you 1 card
5. 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 — 1,012 cards in Optimus Prime's colors can cause this (Optimus Prime is one).

1. Virulent Silencer — When Optimus Prime, Hero // Optimus Prime, Autobot Leader deals combat damage, Virulent Silencer puts 2 counters on a permanent

anything leaves a graveyard — 927 cards in Optimus Prime's colors can cause this (Optimus Prime is one).

When Optimus Prime, Hero // Optimus Prime, Autobot Leader leaves a graveyard:

1. Quintorius, Field Historian — makes a token
2. Garrison Excavator — makes a token
3. Quintorius, History Chaser — makes a token
4. Hardened Academic — puts a counter on a creature
5. On Wings of Gold — makes a token
6. Owlin Historian — gets +1/+1
7. Spirit of Resilience — puts a +1/+1 counter on itself
8. Fuming Effigy — deals 1 damage
9. Spirit Mascot — puts a +1/+1 counter on itself
10. Kirol, History Buff // Pack a Punch — becomes prepared

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

an artifact is cast — 3,095 cards in Optimus Prime's colors can cause this (Optimus Prime is one).

When Optimus Prime, Hero // Optimus Prime, Autobot Leader is cast:

1. Invasion of Regatha // Disciples of the Inferno — gets +1/+1
2. Mendicant Core, Guidelight — copies a spell
3. Sai, Master Thopterist — makes a token
4. Ravenous Robots — makes a token
5. Pinnacle Emissary — makes a token
6. Mirrodin Besieged — makes a token
7. Poetic Ingenuity — makes a token
8. Digsite Engineer — makes a token
9. Myrsmith — makes a token
10. Dr. Madison Li — puts a counter on a permanent you control

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

a nontoken artifact enters the battlefield — 3,171 cards in Optimus Prime's colors can cause this (Optimus Prime is one).

When Optimus Prime, Hero // Optimus Prime, Autobot Leader enters:

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

anything gets a counter — 2,090 cards in Optimus Prime's colors can cause this (Optimus Prime is one).

1. All Will Be One — When a permanent gets a counter thanks to Optimus Prime, Hero // Optimus Prime, Autobot Leader, 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 abilities to — 3,563 cards in Optimus Prime's colors can cause this.

1. Food Fight — Food Fight gives Optimus Prime, Hero // Optimus Prime, Autobot Leader an extra ability
2. Mm'menon, the Right Hand — Mm'menon, the Right Hand gives Optimus Prime, Hero // Optimus Prime, Autobot Leader an extra ability
3. Energy Flux — Energy Flux gives Optimus Prime, Hero // Optimus Prime, Autobot Leader an extra ability
4. Leonin Abunas — Leonin Abunas gives Optimus Prime, Hero // Optimus Prime, Autobot Leader hexproof
5. Chief Engineer — Chief Engineer gives Optimus Prime, Hero // Optimus Prime, Autobot Leader convoke
6. Inspirit, Flagship Vessel — Inspirit, Flagship Vessel gives Optimus Prime, Hero // Optimus Prime, Autobot Leader hexproof and indestructible
7. Darksteel Forge — Darksteel Forge gives Optimus Prime, Hero // Optimus Prime, Autobot Leader indestructible
8. Encroaching Mycosynth — Encroaching Mycosynth gives Optimus Prime, Hero // Optimus Prime, Autobot Leader an extra ability
9. Hanna's Custody — Hanna's Custody gives Optimus Prime, Hero // Optimus Prime, Autobot Leader shroud

3,554 other cards cause it too. These are the ones with the most connections.

an artifact it grants types to — 3,563 cards in Optimus Prime's colors can cause this.

1. Silverskin Armor — Silverskin Armor gives Optimus Prime, Hero // Optimus Prime, Autobot Leader an extra creature type

3,562 other cards cause it too. These are the ones with the most connections.

an artifact it applies untap to — 3,563 cards in Optimus Prime's colors can cause this.

1. Unwinding Clock — Unwinding Clock gives Optimus Prime, Hero // Optimus Prime, Autobot Leader an extra untap

3,562 other cards cause it too. These are the ones with the most connections.

an artifact it boosts — 3,563 cards in Optimus Prime's colors can cause this.

1. Tempered Steel — Tempered Steel gives Optimus Prime, Hero // Optimus Prime, Autobot Leader bigger stats

3,562 other cards cause it too. These are the ones with the most connections.

an artifact enters the battlefield — 3,658 cards in Optimus Prime's colors can cause this (Optimus Prime is one).

When Optimus Prime, Hero // Optimus Prime, Autobot Leader enters:

1. Transplant Theorist — draws you 1 card
2. Mechan Assembler — makes a token
3. Glassdust Hulk — gets +1/+1
4. Rook Turret — draws you 1 card
5. Hedron Detonator — deals 1 damage
6. Mandible Justiciar — gets +1/+1
7. Skyswimmer Koi — draws you 1 card
8. Kappa Cannoneer — puts a +1/+1 counter on itself
9. Simulacrum Synthesizer — makes a token
10. Quicksmith Genius — draws and discards

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

a permanent is put into a graveyard from the battlefield — 2,439 cards in Optimus Prime's colors can cause this.

When Optimus Prime, Hero // Optimus Prime, Autobot Leader dies thanks to:

1. Mica, Reader of Ruins — it returns itself from the graveyard
2. Krark-Clan Grunt — it returns itself from the graveyard
3. Krark-Clan Engineers — it returns itself from the graveyard
4. Oxidda Daredevil — it returns itself from the graveyard
5. Slobad, Goblin Tinkerer — it returns itself from the graveyard
6. Slobad, Iron Goblin — it returns itself from the graveyard
7. Krark-Clan Stoker — it returns itself from the graveyard
8. Gnathosaur — it returns itself from the graveyard
9. Megatog — it returns itself from the graveyard
10. Ferrovore — it returns itself from the graveyard

2,429 other cards cause it too. These are the ones with the most connections.

anything attacks — 9,650 cards in Optimus Prime's colors can cause this.

1. Skyfire Phoenix — When Skyfire Phoenix attacks, Optimus Prime, Hero // Optimus Prime, Autobot Leader puts a counter on a permanent
2. Umara Mystic — When Umara Mystic attacks, Optimus Prime, Hero // Optimus Prime, Autobot Leader puts a counter on a permanent
3. Norn's Choirmaster — When Norn's Choirmaster attacks, Optimus Prime, Hero // Optimus Prime, Autobot Leader puts a counter on a permanent
4. Bill Potts — When Bill Potts attacks, Optimus Prime, Hero // Optimus Prime, Autobot Leader puts a counter on a permanent
5. Loran, Disciple of History — When Loran, Disciple of History attacks, Optimus Prime, Hero // Optimus Prime, Autobot Leader puts a counter on a permanent
6. Blood Hound — When Blood Hound attacks, Optimus Prime, Hero // Optimus Prime, Autobot Leader puts a counter on a permanent
7. Angrath's Marauders — When Angrath's Marauders attacks, Optimus Prime, Hero // Optimus Prime, Autobot Leader puts a counter on a permanent
8. Gisela, Blade of Goldnight — When Gisela, Blade of Goldnight attacks, Optimus Prime, Hero // Optimus Prime, Autobot Leader puts a counter on a permanent
9. Thor, Asgard's Avenger — When Thor, Asgard's Avenger attacks, Optimus Prime, Hero // Optimus Prime, Autobot Leader puts a counter on a permanent
10. Fiendish Duo — When Fiendish Duo attacks, Optimus Prime, Hero // Optimus Prime, Autobot Leader puts a counter on a permanent

9,640 other cards cause it too. These are the ones with the most connections.

anything enters the battlefield — 15,181 cards in Optimus Prime's colors can cause this (Optimus Prime is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Optimus Prime, Hero // Optimus Prime, Autobot Leader enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself
2. Tetzin, Gnome Champion // The Golden-Gear Colossus — When Tetzin, Gnome Champion // The Golden-Gear Colossus enters thanks to Optimus Prime, Hero // Optimus Prime, Autobot Leader, it triggers

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