The Dragon Disk

Flash, Split second, Hexproof, Indestructible
Your Mysticons cost {0} to cast and they have
flash, hexproof, and indestructible. Combine
with the Dragon Mage, Ranger, Striker, and
Knight Spellbooks to create The Codex.
"Arkayna Goodfey, you are Mysticon Dragon Mage.
Zarya Moonwolf, you are Mysticon Ranger.
Piper Willowbrook, you are Mysticon Striker.
Emerald Goldenbraid, you are Mysticon Knight."