{Experiment Kraj}, and {Callous Oppresor}.
Choose not to untap the Oppresor after putting a +1/+1 counter and just continue taking creatures with Experiment Kraj because it says you keep the creatures as long as the Oppresor is tapped. :)
Won't work, sorry.
201.4b If an ability of an object refers to that object by name, and an object with a different name gains that ability, all instances of the first name in the gained ability should be treated as the second name.
Well that makes my Kraj deck a lot easier to make. Thank you!
{Gyre sage}+{gilder bairn}+kraj
You can still use kraj to gain control of things until end of turn.
{rubinia soulsinger} + {conjurers closet} = steal creatures for good