The Unbeatable Squirrel Girl by paying ({1} magic symbol) ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) , creating a 1/1 Squirrel creature token for each Squirrel you control.
Activate
Baylen's first ability four times by tapping eight Squirrel tokens, adding ({1} magic symbol) ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) .
Repeat.
Notes
You'll create double as many Squirrels each loop. All Squirrels beyond the first eight will be untapped and can be used to activate
Baylen's abilities as desired.
Results
Infinite +1/+1 counters on a creature.
Infinite ETB.
Infinite card draw.
Infinite colored mana.
Infinite creature tokens.
Infinite draw triggers.
Metadata
In 70 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Spicy (Bracket 3-4+).