That creature is mine, and that one, and that one...

Graft 2 (This creature enters with two +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.) , : Gain control of target creature with a +1/+1 counter on it for as long as this creature remains on the battlefield.

Experiment Kraj has all activated abilities of each other creature with a +1/+1 counter on it. : Put a +1/+1 counter on target creature.

, : Double the number of each kind of counter on target permanent. ( is the untap symbol.)