Koga's Muk (26/132) [Gym Challenge Unlimited] Toon/Effect Monster Set: Elemental Energy Card type:

Set: Elemental Energy Card type: Normal Spell Rarity: Ultimate Rare Attack: 0 Defense: 0 Select 1 face-up "Elemental Hero Avian" on your side of the field to activate this card

Set: Premium Pack 2 Card type: Effect Monster Rarity: Secret Rare Attack: 1500 Defense: 1100 You can discard this card to the Graveyard to add 1 "Valhalla

Set: Duel Terminal - Preview Card type: Normal Spell Rarity: Common Attack: 0 Defense: 0 Select 1 monster your opponent controls

You must control this card in face-up Defense Position to activate and to resolve this effect

Koga's Muk (26/132) [Gym Challenge Unlimited] Toon/Effect Monster Set: Elemental Energy Card type:Set: Gym Challenge Unlimited Type: Grass Rarity: Rare Retreat cost: Colorless,Colorless,Colorless