edhseer Commander synergy, explained
Instant — Trap
Mana cost: {3}{U}{U}
If an opponent had two or more creatures enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost.
Return two target creatures to their owners' hands.
on-cast — bounce
Causes: a creature leaves the battlefield.
Cares about: nothing.
an instant is cast — 3,931 cards in the game can cause this (Whiplash Trap is one).
When Whiplash Trap is cast:
427 other cards care about it too. These are the ones with the most connections.
a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Whiplash Trap is one).
3 other cards care about it too. These are the ones with the most connections.
a creature leaves the battlefield — 4,238 cards in the game can cause this (Whiplash Trap is one).
When a creature leaves the battlefield thanks to Whiplash Trap:
25 other cards care about it too. These are the ones with the most connections.
anything is cast — 31,128 cards in the game can cause this (Whiplash Trap is one).
When Whiplash Trap is cast:
5 other cards care about it too. These are the ones with the most connections.