If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll.Whenever you roll one or more dice, put a +1/+1 counter on Wyll, Blade of Frontiers.Choose a Background (You can have a Background as a second commander.)
But its still a precon deck, and there are always a few aspects which can be cleared up with a few extra singles at minimal cost and make it feel substantially more consistent at the tabletop
Ultra-aggro creature decks arent particularly strong against three or four players at a time
Break Down the Door Like most modal instants, Break Down the Door is overcosted for any of its individual modes
Instead of magic, ingenious devices fueled by aether shape the world
Then for each opponent with three or more poison counters, you create another one of those tokens