Aaronson, brewer of the arts

If Aaronson, brewer of the arts or Aaronson, forbidden witch is your Commander the you have a signature spell called "Aaronson's potion"
+x: you get an emblem that says "at the beginning of your upkeep you opponent can {10}- {x}if so sacrifice Aaronson, brewer of the arts"
-1: create a token named Aaronson's owl
If Aaronson, brewer of the arts came into the battle field transformed then it gets 1 loyalty and also has:
-x: destroy Y target permanents. Y is half of x.
Aaronson, brewer of the arts can b