Cavern of Souls (Topper) [Ultimate Masters Box Topper] Trap you may change "target black

you may change "target black spell" to "target blue spell

Set: Unlimited Edition Type: Artifact Rarity: Uncommon Cost: {3} Basalt Monolith doesn't untap during your untap step

She is quick with languages and was educated at the same Argivian university as Hanna

Her Phyrexian credo of "Waste not

At the beginning of your upkeep

Cavern of Souls (Topper) [Ultimate Masters Box Topper] Trap you may change "target blackSet: 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.