Regrowth [Collectors’ Edition] Shards of Alara Tokens then repeats this process until

then repeats this process until a creature card or X cards have been put into their graveyard this way

Set: Judge Gift Cards 2013 Type: Artifact Rarity: Rare Cost: {3} You may play lands from your graveyard

Set: Hour of Devastation Prerelease Promos Type: Creature — Horse Rarity: Mythic Cost: {3}{W}{W} Other Horses you control have indestructible

Sacrifice Mirrorpool: Copy target instant or sorcery spell you control

Regrowth [Collectors’ Edition] Shards of Alara Tokens then repeats this process untilSet: Collectors Edition Type: Sorcery Rarity: Uncommon Cost: {1}{G} Return target card from your graveyard to your hand.