Beyond that, a counter doubler that distributes counters across the team is just a filthy card
to Cabaretti Cacophany , filled with "loads of low cost creatures"
There are also unique role-players like Spider-Ham, Peter Porker, who not only creates a Food token for sustain but also pumps a whole menagerie of creature types, so its a quirky lord
Im not expecting them to be popular, but Ive been wrong before
For example, control decks have no problem digging through their decks, so having one-offs won't affect them as they will be able to get to their sideboard cards easily (and this is a big reason why control decks are often so good)
Once you have infinite mana, you then get to recast Eternal Scourge over and over without needing to sacrifice the token copy