MTG Card Myr Superion
Formats and restrictions
Text of card Myr Superion
Spend only mana produced by creatures to cast this spell.
Two kinds of myr survive: the powerful and those that stay close by them.
Rules and information for Myr Superion
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).
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.