Descent into Avernus + Clock of Omens + Lithoform Engine + Seht's Tiger

Prerequisites

• Descent into Avernus has at least two descent counters on it.

Steps

1. 1At the beginning of your upkeep, Descent into Avernus triggers.
2. 2Holding priority, cast Seht's Tiger by paying .
3. 3When Seht's Tiger enters the battlefield, it triggers, giving you protection from red until end of turn.
4. 4Activate Lithoform Engine's first ability by paying and tapping it, copying Descent into Avernus' ability.
5. 5Resolve 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.
6. 6Activate Clock of Omens by tapping two Treasures, untapping Lithoform Engine.
7. 7Activate two Treasures by tapping and sacrificing them, adding .
8. 8Repeat from step 4.

Effects

• Infinite colored mana for all players
• Infinite damage
• Infinite Treasure tokens for all players