Creature that enters with at least five +1/+1 counters
Initial Card State
Creature that enters with at least five +1/+1 counters in exile (exiled by
Mimic Vat).
All other permanents on the battlefield.
Mana Needed
({3} magic symbol) each turn available.
Steps
Activate
Mimic Vat by paying ({3} magic symbol) and tapping it, creating a token copy of a creature with haste that enters with at least five +1/+1 counters on it and creating a delayed triggered ability.
At the beginning of your end step, the delayed triggered ability from
Mimic Vat triggers, exiling the creature token.
When the token leaves the battlefield,
The Ozolith triggers, putting at least five +1/+1 counters on
Sage of Hours.
Activate
Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
Repeat each turn.
Results
Infinite turns.
Metadata
This combo produces a lock.
In 7 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).