Berserk (Retro Frame) (478) (30A)Rarity: U #: 478 Creature Type or Sub Type: Instant Rules Text Contains: This version of this card has a non standard Magic back. It is not legal for constructed play. 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.