Thought Dissector

, : Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice this artifact and put one of them onto the battlefield under your control. X can't be 0.

, : Exile the top card of your library face down.

: Sacrifice this artifact. If you do, discard your hand, then put all cards exiled with this artifact into their owner's hand.

When this artifact leaves the battlefield, put all cards exiled with it into their owner's graveyard.

, , Sacrifice this artifact: Search target opponent's library for a card and exile it. Then that player shuffles. Until the beginning of your next upkeep, you may play that card. At the beginning of your next upkeep, if you haven't played it, put it into its owner's graveyard.

At the beginning of your upkeep, sacrifice this artifact.

When this artifact is put into a graveyard from the battlefield, it deals 3 damage to any target.

, : Put target creature on the bottom of its owner's library. That creature's controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield and the rest on the bottom of their library in any order. Activate only as a sorcery.

This artifact enters under the control of an opponent of your choice.

, : Draw a card, then you may put a land card from your hand onto the battlefield. This artifact's owner draws a card, then that player may put a land card from their hand onto the battlefield.