Cavern of Souls (Expeditions) [Zendikar Rising Expeditions] Cephalid Rogue then meld them into Titania

then meld them into Titania

This noise is so loud it echoes through the trees and seems to come from all directions at once

000 Type: Creature — Human Tyranid Wizard Rarity: Rare Cost: {1}{G} Genomic Enhancement — {T}: Add one mana of any color

Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value

Cavern of Souls (Expeditions) [Zendikar Rising Expeditions] Cephalid Rogue then meld them into TitaniaSet: Zendikar Rising Expeditions 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.