Berserk

Instant    (CMC:1)

Until end of turn, target creature's current power doubles and it gains trample ability. If it attacks, target creature is destroyed at end of turn. This spell cannot be cast after current turn's attack is completed.

2E • ENDan Frazier

™ & © 1993—1993 Wizards of the Coast

Legal in: Legacy,Vintage,Commander

Oracle Text (click to copy):

Berserk {G} Instant Cast Berserk 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.

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10/4/2004
If the permanent stops being a creature before the end of the turn, it is still destroyed.

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