in Commander, its a value engine that fits into any blue artifact shell
Pinsir [Reverse Holo] #1 Pokemon Evolving Skies Keep track of your collection value over time
Yawgmoth, Thran Physician, has card draw, removal, and proliferate all on one card Deadly Rollick, potentially free removal Defile, cheap good removal Thrilling Encore saves you from a board wipe or lets you bring everything back after sacrificing it all to like God-Eternal Bontu Phyrexian Arena some ok card draw
Of course, mono-blue counters is a less than loved archetype, shall we say
Food, Thopters, Treasure, Clues, the list goes on and on as well as different ways of proliferating even more of those tokens
Some might find that overkill, others might find it necessary