While you can slip a few goad mechanics into other decks, if you want to fully dedicate your deck to the mechanic you want to have the right commander
You'll get better information and fewer false positives
Not only does this synergize well with mana rocks and other artifacts with activated abilities, but it simultaneously functions as damage-based removal, a means of closing out a game, and a means of digging through your deck for key cards
Xorn further boosts your Treasure production, and it can pair particularly well with Smothering Tithe
Theres some interesting ground to explore between pairing Errant and Giada and Cosmos Charger in this deck, as well
It just spirals out of control, building a dominant board state with relatively little material