Materialized Incantations

Any time a player would cast an instant or sorcery spell, he or she may cast that spell as a creature with power and toughness equal to
that spell's converted mana cost instead. If that spell is white, it has first strike, if blue, it has flying, if black, it has deathtouch,if red, it has haste, if green, it has trample. (Spells cast this
way remain creatures until they leave the battlefield.)