Activate all basic lands you control by tapping them, adding at least {6}{G}{G}{G}{G}{G}.
Cast Early Harvest by paying {1}{G}{G}, untapping all basic lands you control.
Activate Shigeki's channel ability by paying {4}{G}{G} and discarding it, returning Early Harvest and Regrowth from your graveyard to your hand.
Cast Regrowth by paying {1}{G}, returning Shigeki to your hand from your graveyard.
Repeat.
If basic lands you control can tap to produce at least {7}{G}{G}{G}{G}{G}, this combo nets infinite mana.

Infinite magecraft triggers

Infinite mana basic lands you control can produce

Infinite self-discard triggers

Infinite storm count

Infinite untap of basic lands you control

Return any number of nonlegendary cards from your graveyard to your hand

Shigeki, Jukai Visionary

Regrowth

Early Harvest

Activate all mana-producing lands you control by tapping them, adding at least {9}{G}{G}{G}{G}.
Cast Rude Awakening by paying {4}{G}, untapping all lands you control.
Activate Shigeki's channel ability by paying {4}{G}{G} and discarding it, returning Rude Awakening and Regrowth from your graveyard to your hand.
Cast Regrowth by paying {1}{G}, returning Shigeki to your hand from your graveyard.
Repeat.
If lands you control can tap to produce at least {10}{G}{G}{G}{G}, this combo nets infinite mana.

Infinite mana lands you control can produce

Infinite untap of lands you control

Rude Awakening

Cast Chatterstorm by paying {1}{G}.
Chatterstorm's storm ability triggers, creating a copy of Chatterstorm for each spell you've cast previously this turn.
Storm-Kiln Artist triggers for each Chatterstorm, creating that many Treasure tokens.
Resolve each Chatterstorm, creating that many 1/1 Squirrel creature tokens.
Activate two Treasure tokens by tapping and sacrificing them, adding {1}{G}.
Cast Regrowth by paying {1}{G} and tapping two Squirrel tokens, targeting Chatterstorm.
Regrowth's conspire ability triggers, creating a copy of Regrowth targeting Bala Ged Recovery.
Storm-Kiln Artist triggers twice, creating two Treasure tokens.
Resolve both Regrowths, returning Chatterstorm and Bala Ged Recovery from your graveyard to your hand.
Repeat steps 1-4 one time.
Activate three Treasure tokens by tapping and sacrifcing them, adding {2}{G}.
Cast Bala Ged Recovery by paying {2}{G} and tapping two Squirrel tokens, targeting Chatterstorm.
Bala Ged Recovery's conspire ability triggers, creating a copy of Bala Ged Recovery targeting Regrowth.
Storm-Kiln Artist triggers twice, creating two Treasure tokens.
Resolve both Bala Ged Recoveries, returning Chatterstorm and Regrowth from your graveyard to your hand.
Repeat.
Once you have infinite creature and Treasure tokens, you may substitute any other green instant and/or sorcery spells for Chatterstorm.

Infinite casts of green instants and sorceries in your hand and graveyard

Infinite colored mana

Infinite creature tokens

Infinite ETB

Infinite Treasure tokens

Wort, the Raidmother

Storm-Kiln Artist

Chatterstorm

Bala Ged Recovery // Bala Ged Sanctuary

Cast Brass's Bounty by paying {6}{R} and tapping two red creatures you control, causing it to be copied due to its conspire ability, creating at least 20 Treasure tokens.
Activate sixteen Treasures by tapping and sacrificing them, adding {10}{R}{R}{R}{G}{G}{G}
Cast Revel of the Fallen God by paying {3}{R}{R}{G}{G} and tapping two red and/or green creatures you control, causing it to be copied due to its conspire ability, creating eight 2/2 Satyr creature tokens with haste.
Cast Regrowth by paying {1}{G} and tapping two Satyrs, causing it to be copied due to its conspire ability, returning Brass's Bounty and Bala-Ged Recovery from your graveyard to your hand.
Cast Brass's Bounty by paying {6}{R} and tapping two Satyrs, causing it to be copied due to its conspire ability, creating at least 20 Treasure tokens.
Activate nineteen Treasures by tapping and sacrificing them, adding {12}{R}{R}{R}{G}{G}{G}{G}.
Cast Bala-Ged Recovery by paying {2}{G} and tapping two Satyrs, causing it to be copied due to its conspire ability, returning Regrowth and Revel of the Fallen God from your graveyard to your hand.
Repeat from step 3.

Infinite tapped creature tokens

Brass's Bounty

Revel of the Fallen God

Combos with "Regrowth"