Photon Thrasher [AP01-EN003] Ultimate Rare Ancient Prophecy SE You can only use 1

You can only use 1 "Witchcrafter Creation" effect per turn

If that target destroys a monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to the ATK of the destroyed monster in the Graveyard

during damage calculation only

When this card is Summoned: You can send 1 Level 2 or lower Aqua-Type WATER monster from your Deck or face-up from your field to the Graveyard

Photon Thrasher [AP01-EN003] Ultimate Rare Ancient Prophecy SE You can only use 1Set: Astral Pack 1 Card type: Effect Monster Rarity: Ultimate Rare Attack: 2100 Defense: 0 Cannot be Normal Summoned Set. Must first be Special Summoned (from your hand) while you control no monsters. If you control another monster, this card cannot attack.