Polimy, Sage of Four Paths

Partner with Garuni, Titan of Wisdom (When
this creature enters the battlefield, target player may
put Garuni into their hand from their library, then
shuffle.)
{1}{u}: Roll a 4 sided die. If the result is a 1, you
gain 3 life. If the result is a 2, tap target creature.
If the result is a 3, draw a card, and if the result
is a 4, create a 1/1 white and blue elemental
creature token.