Underground River [Deckmasters] SM125 Set: Nintendo: Black Star Promos

Set: Nintendo: Black Star Promos Type: Lightning Rarity: Black Star Promo Retreat cost: Colorless

You may activate either 1 or both of the following effects (the following effects cannot be activated during the turn this card was Special Summoned): Send all face-up Crystal Beast monsters on your side of the field to the Graveyard

but they always want more

and this card's maximum number of attacks this turn is equal to the number of Tuner monsters revealed

Underground River [Deckmasters] SM125 Set: Nintendo: Black Star PromosSet: Deckmasters Type: Land Rarity: Rare {T}: Add {C}. {T}: Add {U} or {B}. Underground River deals 1 damage to you.