Berserk [Conspiracy: Take the Crown] XY202 Set: Secret Lair Drop Series

Set: Secret Lair Drop Series Type: Creature — Eldrazi Rarity: Mythic Cost: {9} Your opponents can't cast spells with even mana values

a butterfly flapping its wings is insufficient

Set: Black & White: Black Star Promos Type: Fighting Rarity: Promo Retreat cost: Colorless

and it's returned from the battlefield to its owner's hand at the beginning of the next end step

Set: Commander 2013 Type: Artifact Rarity: Rare Cost: {3} You may activate abilities of creatures you control as though those creatures had haste

Berserk [Conspiracy: Take the Crown] XY202 Set: Secret Lair Drop SeriesSet: Conspiracy: Take the Crown Type: Instant Rarity: Mythic Cost: {G} 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.