As Mirrodin Besieged enters the battlefield, choose Mirran or Phyrexian.
• Mirran — Whenever you cast an artifact spell, create a 1/1 colorless Myr artifact creature token.
• Phyrexian — At the beginning of your end step, draw a card, then discard a card. Then if there are fifteen or more artifact cards in your graveyard, target opponent loses the game.
legal Legacy
legal Vintage
legal Modern
not legal Standard
not legal Pioneer
not legal Pauper
not legal Historic
legal Commander
This print of Mirrodin Besieged is not tournament legal.
