Exchange of Words + Opalescence + Wormfang Manta + Deadeye Navigator
Exchange of Words
Opalescence
Wormfang Manta
Deadeye Navigator
Infinite turnsLock
How it works
Cast Exchange of Words by paying 1.
When Exchange of Words enters the battlefield, it and Deadeye Navigator's soulbond ability trigger.
Resolve the Exchange of Words trigger, exchanging the text boxes of it and Wormfang Manta.
Resolve the Deadeye Navigator trigger, pairing it and Exchange of Words.
Activate Exchange of Words by paying 1, blinking it.
Exchange of Words leaves and enters the battlefield, triggering the second ability it gained from Wormfang Manta's textbox as well as its own ability and Deadeye Navigator's soulbond ability.
Resolve the first Exchange of Words trigger, causing you to take an extra turn after this one.
Resolve the second Exchange of Words trigger, exchanging the text boxes of it and Wormfang Manta.
Resolve the Deadeye Navigator trigger, repairing it and Exchange of Words.