Atlar, Shapeshifting Sage

+2: Atlar, Shapeshifting Sage gives target creature X +1/+1 counters, where X is the amount of creature types you have on the battlefield
-2: Create X 1/1 shapeshifters with Changeling equal to the amount of non-token creatures you control.
-4: Creatures you control gain +x/+x until the end of your turn, where x is the amount of creature types among the creatures you control