- Doubling Cube
- Ring of Valkas
- Urza, Prince of Kroog
- Infinite copies of each artifact you control
- Infinite creature tokens
- Infinite ETB
- Infinite mana permanents you control can produce
- Metalworker
- Ring of Valkas
- Urza, Prince of Kroog
- Infinite colorless mana
- Infinite copies of each artifact you control
- Infinite creature tokens
- Infinite ETB