Sacred Phoenix of Nephthys [HISU-EN012] Super Rare Joey You can only use this

You can only use this effect of "Euler's Circuit" once per turn

while equipped with a card(s) by this effect: Special Summon this card

then target 1 Level 4 or lower Zombie-Type monster in either player's GY

When this card is Special Summoned: You can target 1 face-up Spell/Trap Card on the field

its Pendulum Scale becomes its original Pendulum Scale until the end of this turn

Sacred Phoenix of Nephthys [HISU-EN012] Super Rare Joey You can only use thisSet: Hidden Summoners Card type: Effect Monster Rarity: Super Rare Attack: 2400 Defense: 1600 Once per turn, during your next Standby Phase after this card was destroyed by a card effect and sent to the GY: Special Summon this card from the GY. If you do: Destroy all Spells and Traps on the field.