Activate Reito Sentinel by paying {3}, putting Threefold Thunderhulk on the bottom of your library from your graveyard.
Activate Grenzo by paying {2}, putting Threefold Thunderhulk into your graveyard from the bottom of your library, and then putting it onto the battlefield.
When Threefold Thunderhulk enters the battlefield, it triggers, creating three 1/1 Gnome artifact creature tokens.
Activate Ashnod's Altar three times by sacrificing Threefold Thunderhulk and two Gnomes, adding six {C}.
Repeat.

Infinite colorless mana

Infinite creature tokens

Infinite death triggers

Infinite ETB

Infinite LTB

Infinite sacrifice triggers

Grenzo, Dungeon Warden

Threefold Thunderhulk

Ashnod's Altar

Reito Sentinel

Activate Sunforger by paying {R}{W} and unattaching it, searching your library for Chance for Glory and casting it without paying its mana cost.
Resolve Chance for Glory, causing you to take an extra turn after this one.
Activate Reito Sentinel by paying {3}, putting Chance for Glory on the bottom of your library from your graveyard.
Move to your next turn.
Activate Sunforger's equip ability by paying {3}, attaching it to a creature you control.
Repeat steps 1 through 3 one additional time.
Activate Sunforger's equip ability by paying {3}, attaching it to a creature you control.
Activate Sunforger by paying {R}{W} and unattaching it, searching your library for Angel's Grace and casting it without paying its mana cost.
Resolve Angel's Grace, preventing you from losing the game this turn.
Activate Reito Sentinel by paying {3}, putting Angel's Grace on the bottom of your library from your graveyard.
At the beginning of your end step, Chance for Glory triggers, however you cannot lose the game due to Angel's Grace.
Repeat from step 4.

Infinite turns

Sunforger

Chance for Glory

Angel's Grace

Activate Sunforger by paying {R}{W} and unattaching it, searching your library for Final Fortune and casting it without paying its mana cost.
Resolve Final Fortune, causing you to take an extra turn after this one.
Activate Reito Sentinel by paying {3}, putting Final Fortune on the bottom of your library from your graveyard.
Move to your next turn.
Activate Sunforger's equip ability by paying {3}, attaching it to a creature you control.
Repeat steps 1 through 3 one additional time.
Activate Sunforger's equip ability by paying {3}, attaching it to a creature you control.
Activate Sunforger by paying {R}{W} and unattaching it, searching your library for Angel's Grace and casting it without paying its mana cost.
Resolve Angel's Grace, preventing you from losing the game this turn.
Activate Reito Sentinel by paying {3}, putting Angel's Grace on the bottom of your library from your graveyard.
At the beginning of your end step, Final Fortune triggers, however you cannot lose the game due to Angel's Grace.
Repeat from step 4.

Final Fortune

Activate Reito Sentinel by paying {3}, putting Threefold Thunderhulk on the bottom of your library from your graveyard.
Activate Grenzo by paying {2}, putting Threefold Thunderhulk into your graveyard from the bottom of your library, and then putting it onto the battlefield.
When Threefold Thunderhulk enters the battlefield, it triggers, creating three 1/1 Gnome artifact creature tokens.
Activate Krark-Clan Ironworks three times by sacrificing Threefold Thunderhulk and two Gnomes, adding six {C}.
Repeat.

Krark-Clan Ironworks

Activate Sunforger by paying {R}{W} and unattaching it, searching your library for Jeska's Will and casting it without paying its mana cost, adding at least six {R}.
Activate Sunforger's equip ability by paying {1}, attaching it to Zirda.
Activate Sunforger by paying {R}{W} and unattaching it, searching your library for Unexpected Windfall and casting it without paying its mana cost and discarding a card.
Resolve Unexpected Windfall, causing you to draw two cards and create two Treasures.
Activate Sunforger's equip ability by paying {1}, attaching it to Zirda.
Activate Reito Sentinel twice by paying {2}, putting Unexpected Windfall and Jeska's Will from your graveyard onto the bottom of your library.
Activate two Treasures by tapping and sacrificing them, adding {W}{W}.
Repeat.

Infinite draw triggers

Near-infinite storm count

Near-infinite self-discard triggers

Near-infinite magecraft triggers

Near-infinite card draw

Near-infinite red mana

Zirda, the Dawnwaker

Unexpected Windfall

Jeska's Will

Activate Sunforger by paying {R}{W} and unattaching it, searching your library for Jeska's Will and casting it without paying its mana cost, adding at least six {R}.
Activate Sunforger's equip ability by paying {1}, attaching it to Zirda.
Activate Sunforger by paying {R}{W} and unattaching it, searching your library for Big Score and casting it without paying its mana cost and discarding a card.
Resolve Big Score, causing you to draw two cards and create two Treasures.
Activate Sunforger's equip ability by paying {1}, attaching it to Zirda.
Activate Reito Sentinel twice by paying {2}, putting Big Score and Jeska's Will from your graveyard onto the bottom of your library.
Activate two Treasures by tapping and sacrificing them, adding {W}{W}.
Repeat.

Big Score

Activate Illuminor Szeras by tapping it and sacrificing Threefold Thunderhulk, adding seven {B}.
Activate Reito Sentinel by paying {3}, putting Threefold Thunderhulk on the bottom of your library.
Activate Grenzo by paying {2}, putting Threefold Thunderhulk from the bottom of your library into your graveyard, then putting it onto the battlefield.
When Threefold Thunderhulk enters the battlefield, it triggers, creating three 1/1 Gnome artifact creature tokens.
Activate Clock of Omens by tapping Threefold Thunderhulk and a Gnome token, untapping Illuminor Szeras.
Repeat.

Infinite black mana

Infinite mana artifacts you control can produce

Infinite untap of artifacts you control

Illuminor Szeras

Clock of Omens

Activate Illuminor Szeras by tapping it and sacrificing Myr Battlesphere, adding seven {B}.
Activate Reito Sentinel by paying {3}, putting Myr Battlesphere on the bottom of your library.
Activate Grenzo by paying {2}, putting Myr Battlesphere from the bottom of your library into your graveyard, then putting it onto the battlefield.
When Myr Battlesphere enters the battlefield, it triggers, creating four 1/1 Myr artifact creature tokens.
Activate Clock of Omens by tapping Myr Battlesphere and a Myr token, untapping Illuminor Szeras.
Repeat.

Myr Battlesphere

Combos with "Reito Sentinel"