Mishra, Lost to Phyrexia - Prerelease Promo [PBRO-163bs]

Whenever Mishra, Lost to Phyrexia enters the battlefield or attacks, choose three — • Target opponent discards two cards. • Mishra deals 3 damage to any target. • Destroy target artifact or planeswalker. • Creatures you control gain menace and trample until end of turn. • Creatures you don't control get -1/-1 until end of turn. • Create two tapped Powerstone tokens.