Sophina, Spearsage Deserter + Havengul Laboratory // Havengul Mystery + Wormfang Manta + Tocatli Honor Guard + Ashnod's Altar

Prerequisites

• Sophina and at least two other nontoken creatures you control do not have summoning sickness.
• An opponent cannot block and kill creatures you control.

Steps

1. 1Declare Sophina and two other nontoken creatures as attackers.
2. 2Sophina triggers, creating three Clue artifact tokens.
3. 3Activate Ashnod's Altar by sacrificing Wormfang Manta, adding .
4. 4Wormfang Manta leaves the battlefield, causing you to take an extra turn after this one.
5. 5If Wormfang Manta was put onto the battlefield by Havengul Mystery, Havengul Mystery triggers, transforming itself.
6. 6Activate the Clue tokens by paying , tapping and sacrificing them, causing you to draw three cards.
7. 7At the beginning of your end step, Havengul Laboratory triggers, transforming itself.
8. 8Havengul Mystery triggers, returning Wormfang Manta from your graveyard to the battlefield.
9. 9Repeat each turn.

Effects

• Infinite turns
• Lock