Cloudstone Curio [Ravnica: City of Guilds] Hydra Search your library for a

Search your library for a creature card with mana value X or less

Chief Commander can't attack unless defending player controls an Island

But usually it's better to make a wall out of the wood and let trouble do the knocking

Whenever Derevi

Set: Planechase Planes Type: Plane — Lorwyn Rarity: Common Whenever a land enters the battlefield

Cloudstone Curio [Ravnica: City of Guilds] Hydra Search your library for aSet: 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.