Hoard Robber + Time Sieve + Academy Manufactor + Spark Double

Prerequisites

• Spark Double is a copy of Academy Manufactor.
• Hoard Robber does not have summoning sickness and cannot be blocked by at least one opponent.

Steps

1. 1Attack with Hoard Robber.
2. 2Hoard Robber triggers on combat damage to a player, creating three Treasure tokens, three Food tokens, and three Clue tokens.
3. 3Activate Time Sieve's ability by tapping Time Sieve and sacrificing five artifacts you control, taking an extra turn after this one.
4. 4Repeat.

Effects

• Infinite turns
• Lock