Mana Vault Finish:Nonfoil {T}: Add four mana of

{T}: Add four mana of the chosen color

and it's returned from the battlefield to its owner's hand at the beginning of the next end step

Whenever equipped creature deals combat damage to a player

This land enters tapped unless you control a Forest or an Island

A Traditional Foil Land replaces the basic land in 20% of Set Boosters and a Foil-Stamped Signature Art Card replaces the Art Card in 10% of Set Boosters

Mana Vault Finish:Nonfoil {T}: Add four mana ofThis artifact doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap this artifact. At the beginning of your draw step, if this artifact is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.