Realmbreaker, the Invasion Tree [March of the Machine]

2, T: Target opponent mills three cards. Put a land card from their graveyard onto the battlefield tapped under your control. It gains “If this land would leave the battlefield, exile it instead of putting it anywhere else.”

10, T, Sacrifice Realmbreaker, the Invasion Tree: Search your library for any number of Praetor cards, put them onto the battlefield, then shuffle.