Infinite Guideline Station + Time Sieve + Thassa, Deep-Dwelling

Prerequisites

• You control at least five multicolored permanents plus either another multicolored permanent or another creature with power 2 or greater if Thassa isn't a creature.

Steps

1. 1Cast Infinite Guideline Station either from your hand or from the command zone by paying plus commander tax if applicable.
2. 2When Infinite Guideline Station enters, it triggers, creating a 2/2 Robot artifact creature token for each multicolored permanent you control.
3. 3Activate Infinite Guideline Station's station ability by tapping any number of creatures with total power 12 or greater, putting at least twelve charge counters on Infinite Guideline Station, causing it to become a creature.
4. 4Activate Time Sieve by tapping it and sacrificing five Robots, causing you to take an extra turn after this one.
5. 5At the beginning of your end step, Thassa triggers, blinking Infinite Guideline Station.
6. 6When Infinite Guideline Station enters, it triggers, creating a 2/2 Robot artifact creature token for each multicolored permanent you control.
7. 7Repeat from step 3 each turn.

Effects

• Infinite turns
• Lock