mtg streets of new capenna commander precons : Bedecked Brokers (GWU) — Twenty Sided and a foil Commander: Streets of New Capenna:

Even if you dont utilize the otters Adventure spell too much, it can still be used to trigger your other Prowess creatures in a pinch

Im not sure how handy bringing songs back to the hand in an Amber/Amethyst deck will be

Its biggest drawback is its sorcery speed , but for that you get a flexible, cheap removal

For a purely linear deck it also features a solid amount of interaction, with access to a number of large castings of Conflagrate each game fueled by Life from the Loam

Once you see that gigantic terrifying monster frozen and held captive, you know its cage won't last

Theyre fast, synergistic, and snowball quickly if left unchecked