1 Tuner + 1+ non-TunersThis card's original ATK becomes 3000, while in the center Main Monster Zone. During the Main Phase (Quick Effect): You can Special Summon 1 Level 6 or lower "Elfnote" monster from your hand or GY, then you can reduce the Levels of all Level 4 or higher monsters on the field by 3 until the end of this turn, also you cannot Special Summon from the Extra Deck for the rest of this turn, except Synchro Monsters. You can only use this effect of "Elfnote Seraphim Strelitzia" once per turn.
Additional Info
Changes original ATK - All monsters lose Levels - Does not require specific Synchro Materials - 1 or more non-Tuner Synchro Materials - Special Summons from your hand - Special Summons from your Graveyard - Restricts the player's Special Summons from the Extra Deck - Only once per turn