Ganondrof, Demon King

Haste, Doublestrike

{b},{t}: Create a Blood Moon token.(A Blood Moon token is an Enchantment Artifact Token with at the beginning of Combat create a 1/1 Skeleton copy of target creature in your graveyard sacrifice it at the end of Combat.)
Sacrifice a Non-Token Legendary Artifact you Control: Ganondrof Becomes a 13/13 Demon Dragon Creature with Flying, Deathtouch, Haste, Double Strike Until End of turn. Activate only if an Opponent Controls both a Legendary Creature and Legendary Artifact.