Activate Soul of Windgrace's first ability by paying {G} and discarding Dakmor Salvage.
Surly Badgersaur and The Gitrog Monster's second abilities trigger.
Resolve the Surly Badgersaur trigger, creating a Treasure token.
Resolve the Gitrog Monster trigger, causing you to mill two cards and return Dakmor Salvage from your graveyard to your hand.
Resolve the Soul of Windgrace ability, causing you to gain three life.
Activate the Treasure by tapping and sacrificing it, adding {G}.
Repeat.

Infinite self-discard triggers

Infinite self-mill

Soul of Windgrace

Surly Badgersaur

Dakmor Salvage

The Gitrog Monster

Activate Soul of Windgrace's second ability by paying {1}{R} and discarding Dakmor Salvage.
Surly Badgersaur's second ability and Bone Miser's second ability triggers.
Resolve the Bone Miser trigger, adding {B}{B}.
Resolve the Surly Badgersaur trigger, creating a Treasure token.
Resolve the Soul of Windgrace ability, causing you to mill two cards and return Dakmor Salvage from your graveyard to your hand.
Activate a Treasure token by tapping and sacrificing it, adding {R}.
Repeat.

Near-infinite black mana

Bone Miser

Activate Soul of Windgrace's second ability by paying {R} and discarding Dakmor Salvage.
Surly Badgersaur's second ability triggers, creating a Treasure token.
Resolve the Soul of Windgrace ability, causing you to mill two cards and return Dakmor Salvage from your graveyard to your hand.
Activate a Treasure token by tapping and sacrificing it, adding {R}.
Repeat.

Heartstone

Activate Soul of Windgrace's second ability by paying {1}{R} and discarding Dakmor Salvage.
Surly Badgersaur's second ability triggers, creating a Treasure token.
Resolve the Soul of Windgrace ability, causing you to mill two cards and return Dakmor Salvage from your graveyard to your hand.
Activate the  Treasure token by tapping and sacrificing ir, adding {R}{R}.
Repeat.

Goldspan Dragon

Activate Soul of Windgrace's second ability by paying {1}{R} and discarding Dakmor Salvage.
Surly Badgersaur's second ability triggers, creating two Treasure tokens.
Resolve the Soul of Windgrace ability, causing you to mill two cards and return Dakmor Salvage from your graveyard to your hand.
Activate the two Treasure tokens by tapping and sacrificing them, adding {1}{R}.
Repeat.

Doubling Season

Xorn

Activate Soul of Windgrace's second ability by paying {2} and discarding Dakmor Salvage.
Bone Miser's second ability triggers, adding {B}{B}.
Resolve the Soul of Windgrace ability, causing you to mill two cards and return Dakmor Salvage from your graveyard to your hand.
Repeat.

Chromatic Orrery

Parallel Lives

Declare Klauth and Soul of Windgrace as attackers, triggering their abilities.
Resolve the Klauth trigger, adding at least {7}{R/W}{R/W} that can only be spent to cast spells.
Resolve the Soul of Windgrace trigger, returning a land card from your graveyard to the battlefield tapped.
Move to your postcombat main phase.
Cast Waves of Aggression from your graveyard for its retrace cost by paying {3}{R/W}{R/W} and discarding a land card, causing you to untap all creatures that attacked this turn, and to get an additional combat and main phase after this one.
Repeat.

Infinite colored mana that can only be spent to cast spells

Infinite combat phases

Infinite magecraft triggers

Infinite storm count

Waves of Aggression

Klauth, Unrivaled Ancient

Mycosynth Lattice

Primal Vigor

Declare Grand Warlord Radha, Soul of Windgrace and at least three other creatures as attackers.
Grand Warlord Radha and Soul of Windgrace trigger.
Resolve the Grand Warlord Radha trigger, adding at least {R}{R}{R/G}{R/G}{R/G}.
Resolve the Soul of Windgrace trigger, returning a land card from your graveyard to the battlefield tapped.
Move to your postcombat main phase.
Cast Waves of Aggression from your graveyard for its retrace cost by paying {3}{R}{R} and discarding a land card, causing you to untap all creatures that attacked this turn, and to get an additional combat and main phase after this one.
Repeat.

Infinite green mana

Infinite red mana

Grand Warlord Radha

Declare Savage Ventmaw and Soul of Windgrace as attackers, triggering their abilities.
Resolve the Savage Ventmaw trigger, adding {R}{R}{R}{G}{G}{G}.
Resolve the Soul of Windgrace trigger, returning a land card from your graveyard to the battlefield tapped.
Move to your postcombat main phase.
Cast Waves of Aggression from your graveyard for its retrace cost by paying {3}{R}{R} and discarding a land card, causing you to untap all creatures that attacked this turn, and to get an additional combat and main phase after this one.
Repeat.

Combos with "Soul of Windgrace"