The Verdict Im conflicted
It can even stand in for narrower answers like Stony Silence or Ancient Grudge against Affinity and Lantern, doubling up against the tribal aggro decks, though you do lose the splash damage Stony Silence brings against Tron, Krark-Clan Ironworks, and Ad Nauseam
Bill has been reduced to a Supporter yuck
That seems like a minor quibble, but when you only have a handful of types, your odds of having something on-hand to deal with a type weakness, or something that would suffer from one, is much higher
Some cards enchant a creature and add a +1/+1 counter, so these are a good starting point
With cards like Saheeli, Sublime Artificer and Brudiclad, Telchor Engineer, you can amass plenty of tokens and convert them into treasure