Sand Stone [MRL-E128] Common Emma Once per turn: You can

Once per turn: You can change 1 face-down Defense Position "Subterror" monster you control to face-up Attack or Defense Position

Set: Tactical Evolution Card type: Gemini Monster Rarity: Super Rare Attack: 1500 Defense: 500 This card is treated as a Normal Monster while face-up on the field or in the Graveyard

Set: Diamond & Pearl: Trainer Kit - Manaphy Type: Item Rarity: Promo

also you cannot Set cards for the rest of this turn

Sand Stone [MRL-E128] Common Emma Once per turn: You canSet: Magic Ruler Card type: Normal Monster Rarity: Common Attack: 1300 Defense: 1600 Appears from underground and attacks with long, snake like tentacles.