At the beginning of your upkeep, Glacial Chasm and Descent into Avernus each trigger.
Holding priority, activate Strionic Resonator by paying {2} and tapping it, copying Descent into Avernus' ability.
Resolve the copy of Descent into Avernus' ability, putting two descent counters on it, then causing each player to create a number of Treasure tokens equal to the number of descent counters on it, and then deal that much damage to each opponent.
Activate Clock of Omens by tapping two Treasures, untapping Strionic Resonator.
Activate two Treasures by tapping and sacrificing them, adding {2}.
Repeat from step 2.

Infinite colored mana for all players

Infinite damage

Infinite Treasure tokens for all players

Descent into Avernus

Clock of Omens

Strionic Resonator

Glacial Chasm

At the beginning of your upkeep, Descent into Avernus triggers, putting two descent counters on it, then causing each player to create a number of Treasure tokens equal to the number of descent counters on Descent into Avernus, and causing each opponent to be dealt an amount of damage equal to the number of descent counters on Descent into Avernus.
Activate Time Sieve by tapping it and sacrificing five Treasures, causing you to take an extra turn after this one.
Repeat each turn.

Infinite turns

Time Sieve

The Wanderer

At the beginning of your upkeep, Descent into Avernus triggers.
Holding priority, activate Strionic Resonator by paying {2} and tapping it, copying Descent into Avernus' ability.
Resolve the copy of Descent into Avernus' ability, putting two descent counters on it, then causing each player to create a number of Treasure tokens equal to the number of descent counters on it, and then deal that much damage to each opponent.
Activate Clock of Omens by tapping two Treasures, untapping Strionic Resonator.
Activate two Treasures by tapping and sacrificing them, adding {2}.
Repeat from step 2.

Blessed Sanctuary

At the beginning of your upkeep, Descent into Avernus triggers.
Holding priority, activate Circle of Protection: Red by paying {1}, preventing the next amount of damage Descent into Avernus would deal you this turn.
Resolve the Descent into Avernus trigger, putting two descent counters on it, then causing each player to create a number of Treasure tokens equal to the number of descent counters on Descent into Avernus, and causing each opponent to be dealt an amount of damage equal to the number of descent counters on Descent into Avernus.
Activate Time Sieve by tapping it and sacrificing five Treasures, causing you to take an extra turn after this one.
Repeat each turn.

Circle of Protection: Red

At the beginning of your upkeep, Glacial Chasm and Descent into Avernus each trigger.
Holding priority, activate Lithoform Engine's first ability by paying {2} and tapping it, copying Descent into Avernus' ability.
Resolve the copy of Descent into Avernus' ability, putting two descent counters on it, then causing each player to create a number of Treasure tokens equal to the number of descent counters on it, and then deal that much damage to each opponent.
Activate Clock of Omens by tapping two Treasures, untapping Lithoform Engine.
Activate two Treasures by tapping and sacrificing them, adding {2}.
Repeat from step 2.

Lithoform Engine

At the beginning of your upkeep, Descent into Avernus triggers.
Holding priority, activate Lithoform Engine's first ability by paying {2} and tapping it, copying Descent into Avernus' ability.
Resolve the copy of Descent into Avernus' ability, putting two descent counters on it, then causing each player to create a number of Treasure tokens equal to the number of descent counters on it, and then deal that much damage to each opponent.
Activate Clock of Omens by tapping two Treasures, untapping Lithoform Engine.
Activate two Treasures by tapping and sacrificing them, adding {2}.
Repeat from step 2.

At the beginning of your upkeep, Descent into Avernus triggers.
Holding priority, activate The Stasis Coffin by paying {2}, tapping and exiling it, giving you protection from everything until end of turn.
Activate Strionic Resonator by paying {2} and tapping it, copying Descent into Avernus' ability.
Resolve the copy of Descent into Avernus' ability, putting two descent counters on it, then causing each player to create a number of Treasure tokens equal to the number of descent counters on it, and then deal that much damage to each opponent.
Activate Clock of Omens by tapping two Treasures, untapping Strionic Resonator.
Activate two Treasures by tapping and sacrificing them, adding {2}.
Repeat from step 3.

The Stasis Coffin

At the beginning of your upkeep, Descent into Avernus triggers.
Holding priority, activate The Stasis Coffin by paying {2}, tapping and exiling it, giving you protection from everything until end of turn.
Activate Lithoform Engine's first ability by paying {2} and tapping it, copying Descent into Avernus' ability.
Resolve the copy of Descent into Avernus' ability, putting two descent counters on it, then causing each player to create a number of Treasure tokens equal to the number of descent counters on it, and then deal that much damage to each opponent.
Activate Clock of Omens by tapping two Treasures, untapping Lithoform Engine.
Activate two Treasures by tapping and sacrificing them, adding {2}.
Repeat from step 3.

At the beginning of your upkeep, Descent into Avernus triggers.
Holding priority, cast Seht's Tiger by paying {2}{W}{W}.
When Seht's Tiger enters the battlefield, it triggers, giving you protection from red until end of turn.
Activate Strionic Resonator by paying {2} and tapping it, copying Descent into Avernus' ability.
Resolve the copy of Descent into Avernus' ability, putting two descent counters on it, then causing each player to create a number of Treasure tokens equal to the number of descent counters on it, and then deal that much damage to each opponent.
Activate Clock of Omens by tapping two Treasures, untapping Strionic Resonator.
Activate two Treasures by tapping and sacrificing them, adding {2}.
Repeat from step 4.

Seht's Tiger

At the beginning of your upkeep, Descent into Avernus triggers.
Holding priority, cast Seht's Tiger by paying {2}{W}{W}.
When Seht's Tiger enters the battlefield, it triggers, giving you protection from red until end of turn.
Activate Lithoform Engine's first ability by paying {2} and tapping it, copying Descent into Avernus' ability.
Resolve the copy of Descent into Avernus' ability, putting two descent counters on it, then causing each player to create a number of Treasure tokens equal to the number of descent counters on it, and then deal that much damage to each opponent.
Activate Clock of Omens by tapping two Treasures, untapping Lithoform Engine.
Activate two Treasures by tapping and sacrificing them, adding {2}.
Repeat from step 4.

At the beginning of your upkeep, Descent into Avernus triggers, putting two descent counters on it, then causing each player to create a number of Treasure tokens equal to the number of descent counters on Descent into Avernus, causing each opponent to be dealt an amount of damage equal to the number of descent counters on Descent into Avernus, and causing you to gain life equal to the number of descent counters on Descent into Avernus.
Activate Time Sieve by tapping it and sacrificing five Treasures, causing you to take an extra turn after this one.
Repeat each turn.

Combos with "Descent into Avernus"