Adagia, Windswept Bastion | Treachery | Uthros, Titanic Godcore

Cards

Uthros has twelve or more charge counters on it.
Uthros nd up to three other lands you control can collectively tap to produce at least ({4} magic symbol) ({W} magic symbol) ({U} magic symbol) .
Adagia has twelve or more charge counters on it.

Activate Uthros and up to three other lands by paying ({U} magic symbol) and tapping them, adding at least ({4} magic symbol) ({W} magic symbol) ({U} magic symbol) .
Activate Adagia by paying ({3} magic symbol) ({W} magic symbol) and tapping it, creating a token copy of
Treachery that is legendary attached to any creature.
If you control two legendary
Treachery permanents, put one into your graveyard due to the legend rule.
The
Treachery token's enter-the-battlefield ability triggers, untapping Adagia, Uthros and up to three other lands.
Repeat.

This combo has been estimated to be Exhibition (Bracket 1+).