Mana Vault [Foreign Black Border] XY18 place 1 Guard Counter on

place 1 Guard Counter on that target (if that card would ever be destroyed remove 1 Guard Counter instead)

Set: Battle Pack 3: Monster League Card type: Continuous Spell Rarity: Common Attack: 0 Defense: 0 Once per turn: You can target 1 Plant-Type monster in your Graveyard

Set: Secret Slayers Card type: Effect Monster Rarity: Super Rare Attack: 500 Defense: 1400 Once per turn: You can Tribute 1 face-up Plant monster

You can discard 1 card

Its insatiable hunger quickly depletes a region of prey

Mana Vault [Foreign Black Border] XY18 place 1 Guard Counter onSet: Foreign Black Border 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}.