Myr Battlesphere + Urza, Prince of Kroog Combos

3 known combos featuring both cards in Commander

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

Combo 1 with Mechanized Production

Results: Win the game at the beginning of your next upkeep
Steps
  1. Cast Myr Battlesphere by paying {7}.
  2. Myr Battlesphere enters the battlefield, creating four 1/1 Myr artifact creature tokens.
  3. At the beginning of your next upkeep, Mechanized Production triggers.
  4. Holding priority, activate Urza by paying {6}, creating a token copy of Myr Battlesphere that is a 1/1 Soldier in addition to its other types.
  5. The Myr Battlesphere token enters the battlefield, creating four 1/1 Myr artifact creature tokens.
  6. Resolve the Mechanized Production trigger, creating a token copy of the artifact it is attached to and causing you to win the game.
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Combo 2 with Ashnod's Altar

Also requires: Ashnod's Altar Ashnod's Altar
Results: Infinite colorless mana · Infinite copies of artifacts you control · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite creature copies of artifacts you control
Show steps
  1. Activate Urza by paying {6}, creating a token copy of Myr Battlesphere that is a 1/1 Soldier in addition to its other types.
  2. The Myr Battlesphere token enters the battlefield, creating four 1/1 Myr artifact creature tokens.
  3. Activate Ashnod's Altar three times by sacrificing three Myr tokens, adding six {C}.
  4. Repeat.
  5. Once you have infinite mana, you may use Urza to make infinite copies of any artifacts you control.

Combo 3 with Krark-Clan Ironworks

Also requires: Krark-Clan Ironworks Krark-Clan Ironworks
Results: Infinite colorless mana · Infinite copies of artifacts you control · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite creature copies of artifacts you control
Show steps
  1. Activate Urza by paying {6}, creating a token copy of Myr Battlesphere that is a 1/1 Soldier in addition to its other types.
  2. The Myr Battlesphere token enters the battlefield, creating four 1/1 Myr artifact creature tokens.
  3. Activate Krark-Clan Ironworks three times by sacrificing three Myr tokens, adding six {C}.
  4. Repeat.
  5. Once you have infinite mana, you may use Urza to make infinite copies of any artifacts you control.
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