Ultimaya Tzolkin (Quarter Century Secret Rare) (MP24-EN027) - 25th Anniversary Tin: Dueling Mirrors 1st Edition Quarter Century Secret Rare

(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 GY (1 Tuner and 1 non-Tuner). Once per turn, when a Spell/Trap(s) is Set on your field (except during the Damage Step): You can Special Summon 1 "Power Tool" Synchro Monster or 1 Level 7 or 8 Dragon Synchro Monster from your Extra Deck. While you control another Synchro Monster, monsters cannot target this card for attacks, also neither player can target it with card effects.