MTG >Combos >Cloudstone Curio +Crookshank Kobolds +Grapeshot +Crimson Kobolds +

With Cloudstone Curio in play, cast Crimson Kobolds Then cast Crookshank Kobols and, with Cloudstone Curio's ability, return Crimson Kobolds to your hand. Cast Crimson Kobolds again and return Crookshank Kobols to your hand with Cloudstone Curio Repeat the process until you have enough damage to kill the opponent with Grapeshot.