New Phyrexia Necropouncer > < Mycosynth Wellspring
Myr Superion
Artifact Creature — Myr (CMC:2)
Spend only mana produced by creatures to cast Myr Superion.
Two kinds of myr survive: the powerful and those that stay close by them.
146 NPH • ENJana Schirmer & Johannes Voss
™ & © 1993—2011 Wizards of the Coast
Legal in: Modern,Extended,Scars of Mirrodin Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Classic,Singleton 100,Commander
Oracle Text (click to copy):
View this MTG card on Gatherer
6/1/2011 Myr Superion can be cast only with mana produced by the abilities of one or more creatures on the battlefield (such as Alloy Myr or Priest of Urabrask in this set). 6/1/2011 Mana produced by abilities of creature cards not on the battlefield, such as Chancellor of the Tangle or Elvish Spirit Guide, can't be used to cast Myr Superion.
Card Myr Superion is not on TCGPlayer.