Hunter, Nightstalker

Hunter, Nightstalker can't be blocked.
Whenever Hunter, Nightstalker attacks, choose one —
• Hunter, Nightstalker's deals X damage split between any number of target creatures, where X is equal to its power. Then, Hunter, Nightstalker's power becomes 0 until end of turn.
• Hunter, Nightstalker deals damage to target opponent equal to its power.