Coldheart Jotun

Dredge 3 (If you would draw a card, instead
you may mill 3 cards. If you do, return this card from your graveyard to your hand.)
When you dredge Coldheart Jotun, if you
mill a snow land card this way you may pay {s}. If you do, return that land from your graveyard to the battlefield tapped.