River Song + Conjurer's Bauble + Emry, Lurker of the Loch + Time Warp Combo

Time Warp in hand.

Conjurer's Bauble on the battlefield or in your graveyard.

River Song and Emry on the battlefield (Emry without summoning sickness on the battlefield).

plus enough mana to cast the extra turn spell each turn available

If Conjurer's Bauble is in your graveyard, activate Emry by tapping it, targeting Conjurer's Bauble. Then, cast Conjurer's Bauble from your graveyard by paying .

Cast Time Warp by paying its mana cost, causing you to take an extra turn after this one.

Activate Conjurer's Bauble by tapping and sacrificing it, putting Time Warp onto the bottom of your library from your graveyard, and then causing you to draw Time Warp from the bottom of your library due to River Song.

Repeat each turn.

Infinite turns

Lock