Cavern of Souls [Ultimate Masters] Horse Set: Beta Edition Type: Instant

Set: Beta Edition Type: Instant Rarity: Rare Cost: {R} Target spell or permanent becomes red

You may look at and play that card for as long as it remains exiled

untap those creatures

A thousand rays shine forth and meld into one

Set: Beta Edition Type: Creature — Dragon Rarity: Rare Cost: {4}{R}{R} Flying (This creature can't be blocked except by creatures with flying or reach

Cavern of Souls [Ultimate Masters] Horse Set: Beta Edition Type: InstantSet: Ultimate Masters 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.