Supreme King Servant Dragon Ultimaya Tzolkin

(This card's original Level is always treated as 12.)
Cannot be Synchro Summoned. Must be Special Summoned (from your Extra Deck) by sending 2 Level 5 or higher monsters you control with the same Level to the Graveyard (1 DARK Tuner and 1 non-Tuner), and cannot be Special Summoned by other ways except by this card's effect. If a Synchro Monster is Synchro Summoned to your opponent's field while you control "Supreme King Dragon Zarc", you can Special Summon this card (from your Extra Deck or Graveyard) by Tributing 2 level 5 or higher "Supreme King Servant Dragon" monsters. Once per turn, when a Spell/Trap Card(s) is Set on your side of the field (except during the Damage Step): You can Special Summon 1 "Power Tool" Synchro Monster or 1 Level 7 or 8 Dragon-Type Synchro Monster from your Extra Deck. Cannot be targeted for attacks or by card effects, while you control another Synchro Monster. During either player's turn: You can return this card to the Extra Deck; Special Summon 2 "Supreme King Servant Dragon" Pendulum Monsters from your Extra Deck, and if you do, the ATK of all Synchro Monsters your opponent currently controls become 0.