
Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.
Cloudstone Curio has 9 printings, first in Ravnica: City of Guilds (2005). EDHREC ranks it #2,773 among Commander cards. It appears most in Animar, Soul of Elements decks (4,833 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.