Magical King Moonstar (SDCK-EN015) [Structure Deck: The Crimson King]

Cannot be used as a Synchro Material, except for the Synchro Summon of a DARK Synchro Monster. If you control a Tuner, you can Special Summon this card (from your hand). If this card is Normal or Special Summoned: You can target 1 other monster you control or in your GY; until the end of this turn, this card's Level becomes the same as that monster's, also you cannot Special Summon, except by Synchro Summon.