Mystige, the Spellwing

Mystify (Your enchantments can help you cast this spell. Each enchantment you tap while casting this spell pays for {1} or one of that enchantment's color.)
Flying, trample, indestructible, deathtouch
When Mystige, the Spellwing attacks, until end
of turn other enchantments you control become enchantment creatures with base power and toughness equal to their converted mana cost.