Tawnos, Solemn Survivor + Ashnod's Altar + Corridor Monitor

Prerequisites

• You control two artifact tokens.

Steps

1. 1Activate Tawnos's second ability by paying , tapping it and sacrificing two artifact tokens, exiling Corridor Monitor from your graveyard and creating a token copy of it that is an artifact in addition to its other types.
2. 2When the Corridor Monitor token enters, it triggers, untapping Tawnos.
3. 3Activate Tawnos's first ability by paying and tapping it, creating a copy of the Corridor Monitor token and causing you to mill two cards.
4. 4When the Corridor Monitor token enters, it triggers, untapping Tawnos.
5. 5Activate Ashnod's Altar by sacrificing a Corridor Monitor token, adding .
6. 6Repeat from step 3.

Effects

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite self-mill