Kharis and The Beholder

Flying -When Kharis & The Beholder enters the battlefield and at the beginning of your
upkeep, create a 1/1 white Human
creature token and make a charisma check.
(Roll a d20.)
• If the result plus the number of creatures you control is greater than 11, put a +1/+1 counter on
each creature you control.
•If the result is a natural 20, for each
nonlegendary creature you control, create a token
that's a copy of that creature.