Fourth Stage of Magic Design

Enchantment

Once per turn, you may cast a nonland card as though it was another card of your choice with the same mana cost. You can't choose the same card twice. (Mana cost includes color. No looking cards up!)

Legalities

NOT LEGALStandard
NOT LEGALPioneer
NOT LEGALModern
NOT LEGALLegacy
NOT LEGALVintage
NOT LEGALCommander
NOT LEGALOathbreaker
NOT LEGALAlchemy
NOT LEGALHistoric
NOT LEGALBrawl
NOT LEGALTimeless
NOT LEGALPauper
NOT LEGALPenny