Mana Vault [Revised Edition] 109 up to one target player

up to one target player puts all the cards from their graveyard on the bottom of their library in a random order

"There are some qualities—some incorporate things

where X is the number of Swamps you control

its controller may draw a card if its power is greater than each other creature's power

Action: Using the reference as inspiration

Mana Vault [Revised Edition] 109 up to one target playerSet: Revised 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}.