Time Vault [30th Anniversary Edition] Outlaws of Thunder Junction Promos "If powerstones are energy stored

"If powerstones are energy stored in material form

Skybridges from across Kylem converge at the grand stadium of Valor's Reach

+ 3WW — Destroy all creatures

you may return target artifact card from your graveyard to your hand

Time Vault [30th Anniversary Edition] Outlaws of Thunder Junction Promos "If powerstones are energy storedSet: 30th Anniversary Edition Type: Artifact Rarity: Rare Cost: {2} Time Vault enters the battlefield tapped. Time Vault doesn't untap during your untap step. If you would begin your turn while Time Vault is tapped, you may skip that turn instead. If you do, untap Time Vault. {T}: Take an extra turn after this one.