Ghost

Reach, First Strike, Energy 5
{e} : Ghost gains Cloaked until end of turn.
Ghost gains +3/0 if attacking or blocking
opponent does not control a creature with
detector.
{e}{e}{e} : Ghost deals 4 damage to target
attacking or blocking creature
{e}{e}{e}{e} : Remove up to 4 energy counters
and up to 4 shield counters from up to
2 target creatures.