Urabrask

Legendary Creature — Phyrexian Praetor

First strike Whenever you cast an instant or sorcery spell, Urabrask deals 1 damage to target opponent. Add {R}. {R}: Exile Urabrask, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery and only if you've cast three or more instant and/or sorcery spells this turn.