Exotic Pets is a uncommon Instant card from Streets of New Capenna (SNC), collector number 185. Current market price: $0.25 (foil $0.34), TCGplayer market prices via Scryfall.
Create two 1/1 blue Fish creature tokens with "This token can't be blocked." Then for each kind of counter among creatures you control, put a counter of that kind on either of those tokens.