Experimenting Alchemist

When Crazed Alchemist enters the battlefield,
create 3 artifact tokens named Random Potion
with "{2}{t}, Sacrifice, Roll a D20.
1-7 Create a Random Potion token.
7-12 Deal 2 damage to any target.
12-15 Draw 3 cards.
16-18 Destroy target permanent.
19-20 Creatures you control get +5/+5 and gain Trample until end of turn."