Call of the Curse
Temple of the Deceived Nightmare #8 (x3)

When Revealed: Until the end of the round, each Undead enemy gets +X and +X X is the number of locations to the left of the active location (in its row). If X is 0 or 1, Call of the Curse gains surge.

Shadow: Resolve the 'when revealed' effect of Call of the Curse.