Instants work particularly well, as they become combat tricks that boost your attacking or blocking creatures in addition to whatever they normally do
Aesi, Tyrant of Gyre Strait Arixmethes, Slumbering Isle Bonny Pall, Clearcutter Kiora, Master of the Depths Risen Reef Tatyova, Benthic Druid Tatyova, Steward of Tides Uro, Titan of Nature's Wrath Xolatoyac, the Smiling Flood Zimone, Mystery Unraveler
And being able to toss a snack at an opponent when you take their Orcish Bowmasters on the ultimate, which you can do on the second turn, is just extra obnoxious
You can open borderless Commander Legends: Battle for Baldur's Gate cards in Set, Draft, and Collector boosters, in both traditional foil and non-foil
The question is whether there will be enough synergy in the list to make for a playable deck
The best overall helper and payoff card though is Barbarian Class