Cavern of Souls (Topper) [Ultimate Masters Box Topper] Standardbrawl nonland card from among them

nonland card from among them and put it into your hand

Let them be cast out

Set: Seventh Edition Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

sacrifice Skittering Skirge

Whenever the Llanowar elves gather the fruits of their forest

Cavern of Souls (Topper) [Ultimate Masters Box Topper] Standardbrawl nonland card from among themSet: Ultimate Masters Box Topper Type: Land Rarity: Mythic As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.