Berserk [From the Vault: Exiled] Ape Set: Amonkhet Invocations Type: Instant

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {U} Change the target of target spell with a single target unless that spell's controller pays {2}

you might as well trade it for something else

Zur remained aloof from Terisiare's suffering

Set: Battle for Zendikar Prerelease Promos Type: Creature — Cat Beast Rarity: Rare Cost: {4}{W}{W} Vigilance

Berserk [From the Vault: Exiled] Ape Set: Amonkhet Invocations Type: InstantSet: From the Vault: Exiled 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.