Cloudstone Curio [Ravnica: City of Guilds] Vampire Shaman you may add an amount

you may add an amount of {C} equal to the number of creatures you control that share a creature type with it

Set: Arena League 1996 Type: Basic Land — Forest Rarity: Rare ({T}: Add {G}

if Nether Shadow is in your graveyard with three or more creature cards above it

Set: Saviors of Kamigawa Type: Legendary Creature — Moonfolk Monk Rarity: Rare Cost: {1}{U} Flying

You don't ask why a plague spreads or a field burns

Cloudstone Curio [Ravnica: City of Guilds] Vampire Shaman you may add an amountSet: Ravnica: City of Guilds Type: Artifact Rarity: Rare Cost: {3} Whenever a nonartifact permanent enters the battlefield under your control, you may return another permanent you control that shares a permanent type with it to its owner's hand. It *wants* to remain a mystery, banishing the curious in favor of less inquisitive company.