Mana Vault [Fourth Edition] Incarnation you'd need the energy of

you'd need the energy of the giant's tonic

Then if you have more life than an opponent

Urborg became the final resting place of many swordsmen of renown

and the second player controls the first player during the first player's next turn

Enchanted land has "At the beginning of your upkeep

Mana Vault [Fourth Edition] Incarnation you'd need the energy ofSet: Fourth Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.