Modern Horizons: Mirrodin Besieged

Edition:	Modern Horizons
Type:	Enchantment
Cast:
Rarity:	R
Collector #:	057
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.