Buried Ruin [Commander 2018] SM182 each player may play the

each player may play the card they exiled this way

Set: Innistrad: Double Feature Type: Sorcery Rarity: Uncommon Cost: {2}{U} Target player shuffles up to four target cards from their graveyard into their library

Set: Jumpstart Type: Artifact Creature — Phyrexian Myr Rarity: Common Cost: {2} When Perilous Myr dies

Set: Dominaria Remastered Type: Artifact Rarity: Rare Cost: {4} During each player's upkeep

It operates on necessity

Buried Ruin [Commander 2018] SM182 each player may play theSet: Commander 2018 Type: Land Rarity: Uncommon {T}: Add {C}. {2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand. History has buried its treasures deep.