edhseer Commander synergy, explained
Creature — Shapeshifter
Mana cost: {1}{U}
Whenever this creature deals combat damage to a player, you get that many {E}.
triggered —
At the beginning of combat on your turn, you may pay {E}{E}.
triggered —
When you do, this creature becomes a copy of another target creature you control, except it has this ability and that ability
triggered — copies a permanent
Whenever this creature deals combat damage to a player, you get that many {E}.
triggered —
Causes: put a counter on anything, copy a creature.
Cares about: the beginning of combat.
anything gets a counter — 4,415 cards in the game can cause this (Aurora Shifter is one).
When a permanent gets a counter thanks to Aurora Shifter:
5 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 (Aurora Shifter is one).
When Aurora Shifter attacks:
111 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 (Aurora Shifter is one).
When Aurora Shifter attacks:
180 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 (Aurora Shifter is one).
When Aurora Shifter blocks:
18 other cards care about it too. These are the ones with the most connections.
a nontoken creature attacks — 17,934 cards in the game can cause this (Aurora Shifter is one).
When Aurora Shifter attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Aurora Shifter is one).
When Aurora Shifter deals combat damage:
194 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 (Aurora Shifter is one).
When Aurora Shifter is cast:
81 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Aurora Shifter is one).
When Aurora Shifter enters:
31 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 (Aurora Shifter is one).
When Aurora Shifter enters:
298 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 (Aurora Shifter is one).
40 other cards care about it too. These are the ones with the most connections.