Leyline of Sanctity + Sky Swallower + Fractured Identity + Lier, Disciple of the Drowned Combo

Leyline of Sanctity and Lier on the battlefield.

Sky Swallower and Fractured Identity in hand.

available

Cast Fractured Identity by paying , exiling Leyline of Sanctity and causing each opponent to create a token copy of it.

Cast Sky Swallower by paying .

When Sky Swallower enters, it triggers, but you cannot target an opponent as they all have hexproof.

Cast Fractured Identity from your graveyard for its flashback cost by paying , exiling Sky Swallower and causing each opponent to create a token copy of it.

When each opponent's Sky Swallower enters, they each trigger. Each opponent is forced to target you, as all other players have hexproof, giving you control of all their other permanents.

Gain control of all permanents

Mass Land Denial