Tana, the Bloodsower + Time Sieve + Encroaching Mycosynth

Prerequisites

• Tana has power five or greater, does not have summoning sickness and cannot be blocked by an opponent.

Steps

1. 1Deal combat damage to an opponent using Tana.
2. 2Tana triggers, creating at least five 1/1 Saproling creature tokens.
3. 3Activate Time Sieve by tapping it and sacrificing five Saprolings, causing you to take an extra turn after this one.
4. 4Repeat each turn.

Effects

• Infinite turns
• Lock