An easy place to start is adding some of the other additional land drop effects, which were a little too pricey for me to go deep on: Azusa, Lost but Seeking, Kodama of the East Tree, Dryad of the Ilysian Grove, and Exploration are all excellent and will help you make the most of your explore triggers
Equip 2 If the equipped creature dealt combat damage only to a player or planeswalker, Thirsting Axes triggered ability triggers
Nostalgia will make me buy this card, proving that Wizards of the Coast's business model with Universes Beyond makes sense
The Great Aerie Fun: 2 Impact: 2 Chaos: 2 Pumping up your smaller creatures can certainly be useful, but theres enough spot removal, blockers, board wipes, bounce and situations where having a slightly bigger creature just doesnt do much that Im not too keen on this one
Pick a frame preset, icon set, and typography
Even when the other modes arent needed, dropping six +1/+1 counters on our commander is never a bad thing, especially for just four mana