Color Identity: W, U


Initial Card State
- Rex on the battlefield (without summoning sickness).
- Knacksaw Clique and Steelswarm Operator in exile (with a brain counter on it).
Steps
- Activate Rex using Steelswarm Operator's second ability by tapping it, adding ({U} magic symbol)
({U} magic symbol)
that can only be spent to activate abilities of artifact sources. - Activate Rex using Knacksaw Clique's ability by paying ({1} magic symbol)
({U} magic symbol)
and untapping it, exiling the top card of an opponent's library with the ability to play that card this turn. - Repeat.
Results
- Exile each opponent's library.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).