Mana Vault [International Collectors' Edition] S2 The flashback cost is equal

The flashback cost is equal to its mana cost

it means that the throne is destined to be yours

Set: Onslaught Type: Sorcery Rarity: Rare Cost: {3}{B}{B} Each player chooses a creature type

if Nether Shadow is in your graveyard with at least three creature cards above it

Set: EX: Legend Maker Type: Water Rarity: Uncommon Retreat cost: Colorless

Mana Vault [International Collectors' Edition] S2 The flashback cost is equalSet: International Collectors' 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}.