Pot of Duality (UTR) (AP05-EN003) - Astral Pack 5 Unlimited Number_STON-EN001 You can only use this

You can only use this effect of “Galatea

This card cannot be Special Summoned except by offering 1 face-up Warrior of Zera on your side of the field as a Tribute while The Sanctuary in the Sky is on the field

send it to the graveyard

then you can Special Summon 1 Xyz Monster from your Graveyard

You can change this card to Defense Position at the end of the Damage Step

Pot of Duality (UTR) (AP05-EN003) - Astral Pack 5 Unlimited Number_STON-EN001 You can only use thisTypenull Normal Spell AttributeSPELL Card TextReveal the top 3 cards of your Deck, add 1 of them to your hand, then shuffle the rest back into your Deck. You can only activate 1 Pot of Duality per turn. You cannot Special Summon a monster(s) during the turn you activate this card.