Urza, Prince of Kroog + Myr Battlesphere + Ashnod's Altar

Prerequisites

—

Steps

1. 1Activate Urza by paying , creating a token copy of Myr Battlesphere that is a 1/1 Soldier in addition to its other types.
2. 2The Myr Battlesphere token enters the battlefield, creating four 1/1 Myr artifact creature tokens.
3. 3Activate Ashnod's Altar three times by sacrificing three Myr tokens, adding six .
4. 4Repeat.
5. 5Once you have infinite mana, you may use Urza to make infinite copies of any artifacts you control.

Effects

• Infinite colorless mana
• Infinite copies of artifacts you control
• Infinite creature copies of artifacts you control
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers