Berserk 175/221 (Conspiracy: Take the Crown)

Cast this spell only before the combat damage step. Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.

NM - $23.20
LP - $18.60
MP - $13.90
HP - $9.30
DMG - $4.70