Obeka, Splitter of Seconds + Time Sieve + Court of Vantress

Prerequisites

• Obeka has power 4 or greater and cannot be blocked by an opponent.
• You are the monarch.

Steps

1. 1At the beginning of your upkeep, Court of Vantress triggers, creating a token copy of Time Sieve.
2. 2Deal combat damage using Obeka.
3. 3Obeka triggers, causing you to get at least four upkeep steps after this phase.
4. 4Repeat step 1 during each of the additional upkeep steps.
5. 5Activate the nontoken Time Sieve by tapping it and sacrificing five Time Sieve tokens, causing you to take an extra turn after this one.
6. 6Repeat each turn.

Effects

• Infinite turns
• Lock