Smaug the Impenetrable, Kaya, Geist Hunter, and Slag Strider

Prerequisites

• Smaug the Impenetrable on the battlefield
• Kaya, Geist Hunter on the battlefield
• Slag Strider on the battlefield
• available

Steps

1. Activate Kaya's second loyalty ability by removing two loyalty counters from it, causing you to double any tokens you create this turn
2. Activate Slag Strider by paying and sacrificing another creature or artifact, dealing 1 damage to Smaug
3. Smaug triggers, creating two Treasure tokens due to Kaya, Geist Hunter
4. Activate a Treasure by tapping and sacrificing it, adding
5. Repeat from step 2

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers