Color Identity: U

Initial Card State
- Knacksaw Clique in exile (exiled by Agatha's Soul Cauldron).
- Agatha's Soul Cauldron and Omen Hawker on the battlefield.
Notable Prerequisites
- Omen Hawker does not have summoning sickness and has at least one +1/+1 counter on it.
Steps
- Activate Omen Hawker by tapping it, adding ({C} magic symbol)
({U} magic symbol)
that can only be spent to activate abilities. - Activate Omen Hawker using Knacksaw Clique's ability by paying ({2} magic symbol)
and untapping it, exiling the top card of an opponent's library. - Repeat.
Results
- Exile each opponent's library.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).