Cavern of Souls [Ultimate Masters] Commander's Arsenal I prefer the timeworn dreams

I prefer the timeworn dreams

Set: Legends Type: Legendary Creature — Elder Dragon Rarity: Rare Cost: {2}{U}{U}{B}{B}{R}{R} Flying

Set: Mirrodin Type: Creature — Vedalken Wizard Rarity: Rare Cost: {2}{U}{U} Whenever you cast an artifact spell

Set: Mirrodin Type: Artifact Rarity: Rare Cost: {3} Imprint — When Extraplanar Lens enters the battlefield

Cavern of Souls [Ultimate Masters] Commander's Arsenal I prefer the timeworn dreamsSet: 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.