Mana Vault [Fifth Edition] SM77 they must have the same

they must have the same name

Set: Duel Terminal 2 Card type: Effect Monster Rarity: Common Attack: 1800 Defense: 0 During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card

Set: XY: Furious Fists Type: Darkness Rarity: Rare Retreat cost: Colorless

Set: Star Pack - Battle Royal Card type: Effect Monster Rarity: Starfoil Rare Attack: 200 Defense: 200 During damage calculation (in either player's turn)

Set: Lightning Overdrive Card type: Effect Monster Rarity: Secret Rare Attack: 1100 Defense: 1900 Once per turn

Mana Vault [Fifth Edition] SM77 they must have the sameSet: Fifth 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}.