Activate Korozda Guildmage's second ability by paying {2}{B}{G} and sacrificing Hogaak.
If Hogaak is your commander, choose not to return it to the command zone from your graveyard.
Resolve the Korozda Guildmage trigger, creating eight 1/1 Saproling creature tokens.
Cast Hogaak from your graveyard by tapping seven Saprolings.
Activate Phyrexian Altar four times by sacrificing four Saprolings, adding {2}{B}{G}.
Repeat.

Infinite colored mana

Infinite creature tokens

Infinite death triggers

Infinite creature ETB

Infinite creature LTB

Infinite creature sacrifice triggers

Infinite storm count

Hogaak, Arisen Necropolis

Korozda Guildmage

Phyrexian Altar

Activate Korozda Guildmage's second ability by paying {2}{B}{G} and sacrificing Hogaak.
If Hogaak is your commander, choose not to return it to the command zone from your graveyard.
Resolve the Korozda Guildmage trigger, creating eight 1/1 Saproling creature tokens.
Cast Hogaak from your graveyard by tapping seven Saprolings.
Activate Utopia Mycon four times by sacrificing four Saprolings, adding {2}{B}{G}.
Repeat.

Utopia Mycon

Activate Korozda Guildmage's second ability by paying {2}{B}{G} and sacrificing Scourge of Nel Toth.
When Scourge of Nel Toth dies, Pitiless Plunderer triggers, creating a Treasure token.
Resolve the Korozda Guildmage ability, creating six 1/1 Saproling creature tokens.
Activate Ashnod's Altar by sacrificing a Saproling, adding {C}{C}.
When the Saproling dies, Pitiless Plunderer triggers, creating a Treasure token.
Repeat from step 4 two additional times.
Activate four Treasures by tapping and sacrificing them, adding {B}{B}{B}{G}.
Cast Scourge of Nel Toth from your graveyard by paying {B}{B} and sacrificing two Saprolings.
When the Saprolings die, Pitiless Plunderer triggers twice, creating two Treasure tokens.
Repeat.

Infinite artifact ETB

Infinite artifact LTB

Infinite artifact sacrifice triggers

Infinite artifact tokens

Infinite colorless mana

Infinite Treasure tokens

Scourge of Nel Toth

Pitiless Plunderer

Ashnod's Altar

Activate Korozda Guildmage's second ability by paying {2}{B}{G} and sacrificing Brokkos.
When Brokkos dies, Pitiless Plunderer triggers, creating a Treasure token.
Resolve the Korozda Guildmage ability, creating six 1/1 Saproling creature tokens.
Activate Phyrexian Altar by sacrificing a Saproling, adding {1}.
When the Saproling dies, Pitiless Plunderer triggers, creating a Treasure token.
Repeat from step 4 three additional times.
Activate five Treasures by tapping and sacrificing them, adding {U/B}{B}{G}{G}{G}.
Cast Brokkos from your graveyard for its mutate ability by paying {2}{U/B}{G}{G}, putting it on top of a Saproling token.
Repeat.

Brokkos, Apex of Forever

Activate Korozda Guildmage's second ability by paying {2}{B}{G} and sacrificing Scourge of Nel Toth.
When Scourge of Nel Toth dies, Pitiless Plunderer triggers, creating a Treasure token.
Resolve the Korozda Guildmage ability, creating six 1/1 Saproling creature tokens.
Activate Utopia Mycon's second ability by sacrificing a Saproling, adding one mana of any color.
When the Saproling dies, Pitiless Plunderer triggers, creating a Treasure token.
Repeat from step 4 two additional times.
Activate four Treasures by tapping and sacrificing them, adding {B}{B}{B}{G}.
Cast Scourge of Nel Toth from your graveyard by paying {B}{B} and sacrificing two Saprolings.
When the Saprolings die, Pitiless Plunderer triggers twice, creating two Treasure tokens.
Activate two Treasures by tapping and sacrificing them, adding {2}.
Repeat.

Combos with "Korozda Guildmage"