Cavern of Souls (Topper) [Ultimate Masters Box Topper] Human Knight {T}: Put up to X

{T}: Put up to X +1/+0 counters on Clockwork Avian

Set: Grand Prix Promos Type: Creature — Snake Rarity: Rare Cost: {1}{G} Landfall — Whenever a land enters the battlefield under your control

" (Volrath's Shapeshifter has that card's name

you draw a card

Set: Legends Type: Legendary Creature — Giant Warrior Rarity: Rare Cost: {3}{B}{R}{G} Vigilance

Cavern of Souls (Topper) [Ultimate Masters Box Topper] Human Knight {T}: Put up to XSet: 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.