Sacred Phoenix of Nephthys [FET-EN005] Ultimate Rare Champion Pack 7 destroy the monster immediately with

destroy the monster immediately with this card's effect without applying damage calculation

If you do not

by Tributing 1 Thunder Effect non-Fusion Monster (in which case you do not use "Polymerization")

then target up to 2 "Madolche" cards in your Graveyard

your opponent cannot activate any Spell or Trap Cards until the end of Damage Step

Sacred Phoenix of Nephthys [FET-EN005] Ultimate Rare Champion Pack 7 destroy the monster immediately withSet: Flaming Eternity Card type: Effect Monster Rarity: Ultimate Rare Attack: 2400 Defense: 1600 If this card is destroyed by a card effect, Special Summon this card during your next Standby Phase. If you Special Summon this card successfully in this way, destroy all Spell and Trap Cards on the field.