Riryoku [DEM3-EN013] Common Modern also they cannot be destroyed

also they cannot be destroyed by your opponent's card effects

Set: Astral Pack 7 Card type: Continuous Spell Rarity: Super Rare Change all face-up Level 4 or higher monsters to Defense Position

you can Tribute Summon this card with 1 Tribute

if this card battles an opponent's monster while this card has a "Utopia" Xyz Monster as Xyz Material: You can detach 2 Xyz Materials from this card

Set: Duel Terminal - Preview Card type: Normal Monster Rarity: Rare Attack: 2400 Defense: 2000

Riryoku [DEM3-EN013] Common Modern also they cannot be destroyedSet: Demo Deck 2016 Card type: Normal Spell Rarity: Common Target 2 face up monsters on the field; halve the ATK of 1 monster, and if you do, add that lost ATK to the other monster. These effects last until the End Phase.