Blue-Eyes Ultimate Dragon, the God-Surpassing Servant

Card text

"Blue-Eyes White Dragon" + "Blue-Eyes White Dragon" + "Blue-Eyes White Dragon" Cannot be destroyed by card effects, also unaffected by your opponent's activated effects during your opponent's turn. Can make up to 3 attacks during each Battle Phase. Once per Chain, during the Battle Phase (Quick Effect): You can target 1 monster that was Special Summoned this turn, or 1 face-down card, that your opponent controls; destroy it. You can only use this effect of "Blue-Eyes Ultimate Dragon, the God-Surpassing Servant" thrice per turn.