Cavern of Souls [Ultimate Box Topper] Merfolk (For example

(For example

Set: Betrayers of Kamigawa Type: Artifact Rare Cost: {5} The "legend rule" doesn't apply

Set: Arabian Nights Type: Land Rare Cost: {T}: Target creature with flying has base power 0 until end of turn

Set: Limited Edition Alpha Type: Instant Common Cost: {X}{B} Target creature gets +X/+0 until end of turn

Set: The Dark Type: Land Rare Cost: {T}

Cavern of Souls [Ultimate Box Topper] Merfolk (For exampleSet: Ultimate Box Topper Type: Land Mythic Cost: 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.