Infinite Guideline Station in hand or in the command zone.
Time Sieve and
Lilysplash Mentor on the battlefield.
Notable Prerequisites
You control at least five multicolored permanents.
Mana Needed
({W} magic symbol) ({U} magic symbol) ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) plus commander tax if applicable the first turn, with ({1} magic symbol) ({G} magic symbol) ({U} magic symbol) each extra turn available.
Steps
Cast
Infinite Guideline Station either from your hand or from the command zone by paying ({W} magic symbol) ({U} magic symbol) ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) plus commander tax if applicable.
When
Infinite Guideline Station enters, it triggers, creating a 2/2 Robot artifact creature token for each multicolored permanent you control.
Activate
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.
Activate
Time Sieve by tapping it and sacrificing five Robots, causing you to take an extra turn after this one.