Koga's Muk (26/132) [Gym Challenge Unlimited] Super 17 Saga you can select and activate

you can select and activate 1 of these effects

'Final Ritual of the Ancients'

Set: Ancient Sanctuary Card type: Continuous Spell Rarity: Common Attack: 0 Defense: 0 All face-up Level 4 or higher monsters on the field are changed to Defense Position and remain in Defense Position as long as this card is active

Set: Ancient Prophecy Card type: Effect Monster Rarity: Ultimate Rare Attack: 2800 Defense: 2400 There can only be 1 face-up "Earthbound Immortal" monster on the field

If this card is destroyed as a result of battle

Koga's Muk (26/132) [Gym Challenge Unlimited] Super 17 Saga you can select and activateSet: Gym Challenge Unlimited Type: Grass Rarity: Rare Retreat cost: Colorless,Colorless,Colorless