Barrier

Enter ⇒ Shuffle all the cards from your hand and all non-magic stone cards from your graveyard into your deck. Then shuffle all magic stones from your graveyard into your magic stone deck and draw five cards.

Whenever you play a chant ⇒ Recover a magic stone you control. This ability triggers only once per turn.

Whenever a chant you played is put into a graveyard ⇒ Return it to its owner's hand.