Sharuum the Hegemon, Ratadrabik of Urborg, and Arcbound Ravager

Prerequisites

• Sharuum the Hegemon on the battlefield
• Ratadrabik of Urborg on the battlefield
• Arcbound Ravager on the battlefield

Steps

1. Activate Arcbound Ravager by sacrificing Sharuum
2. Sharuum dies, triggering Ratadrabik, creating a nonlegendary copy of Sharuum that is a 2/2 Zombie in addition to its other types
3. The Sharuum token enters the battlefield, returning Sharuum from your graveyard to the battlefield
4. Sharuum enters the battlefield, returning any artifact from your graveyard to the battlefield
5. Resolve the Arcbound Ravager ability from step 1, putting a +1/+1 counter on it
6. Repeat

Results

• Infinite +1/+1 counters on artifact creatures you control
• Infinite blinking of artifacts
• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Put all artifacts from your graveyard onto the battlefield