Khal Drogo

Khal Drogo enters the battlefield with x Khalisar counters on it.
At the beginning of your upkeep, create 2/2 red
and green Barbarian Knight creature tokens with trample until you control a number of these
tokens equal to the number of Khalisar counters
on Khal Drogo.
Other barbarian creatures you control gain
+1/+1.