mtg pioneer legal cards format guide Legal in Pioneer, Rules Text:

I am also running the obvious Dockside Extortionist

I already have that information with me, so it would not be difficult to add to the app

Bracket 4: Optimized where you can expect to see explosive starts, strong tutors, cheap combos that end games, mass land destruction, or one players deck be full of cards off the Game Changer List Bracket 5: cEDH all bets are off, this is the highest power Magic, with the intention of playing to an established meta

In terms of sheer lore (yes, this is something that I absolutely care about, possibly more than I should), I think the deck works perfectly

While it seems uncomfortable in decks with too many colors, tapping for colorless and filtering mana to any color should make it an easy inclusion in decks with one or two colors that want this effect on a land