Myr Superion 
Artifact Creature - Myr
Two kinds of myr survive: the powerful and those that stay close by them.
Power/Toughness:
5/6Artist:
Jana Schirmer & Johannes VossShare:
Text:
Spend only mana produced by creatures to cast Myr Superion.
Rulings:
- 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.
Legality:
- standard: Not legal
- future: Not legal
- frontier: Not legal
- modern: Legal
- legacy: Legal
- pauper: Not legal
- vintage: Legal
- penny: Not legal
- commander: Legal
- duel: Legal
- oldschool: Not legal
Sets:
-
New Phyrexia #146 (rare)
