Experiment Kraj is a rare Legendary Creature — Ooze Mutant card from Dissension (DIS), collector number 110. Current market price: $0.60 (foil $9.99), TCGplayer market prices via Scryfall.
Experiment Kraj has all activated abilities of each other creature with a +1/+1 counter on it. {T}: Put a +1/+1 counter on target creature.