edhseer Commander synergy, explained
Legendary Creature — Human Hero
Mana cost: {3}{R}
Flying
Whenever Photon deals combat damage to a player, add that much mana of any one color. Until end of turn, you don't lose this mana as steps and phases end.
triggered — adds that much mana of any one color mana
Causes: nothing.
Cares about: nothing.
a Hero enters the battlefield — 78 cards in Photon's colors can cause this (Photon is one).
When Photon, Mighty Marvel enters:
a Human enters the battlefield — 661 cards in Photon's colors can cause this (Photon is one).
When Photon, Mighty Marvel enters:
a creature attacks — 3,451 cards in Photon's colors can cause this (Photon is one).
When Photon, Mighty Marvel attacks:
58 other cards care about it too. These are the ones with the most connections.
a creature blocks — 3,451 cards in Photon's colors can cause this (Photon is one).
When Photon, Mighty Marvel blocks:
1 other card cares about it too. These are the ones with the most connections.
anything attacks — 3,451 cards in Photon's colors can cause this (Photon is one).
When Photon, Mighty Marvel attacks:
19 other cards care about it too. These are the ones with the most connections.
a creature is cast — 3,468 cards in Photon's colors can cause this (Photon is one).
When Photon, Mighty Marvel is cast:
10 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 3,511 cards in Photon's colors can cause this (Photon is one).
When Photon, Mighty Marvel enters:
a creature enters the battlefield — 3,801 cards in Photon's colors can cause this (Photon is one).
When Photon, Mighty Marvel enters:
58 other cards care about it too. These are the ones with the most connections.