Liquimetal Coating + Urza, Prince of Kroog Combos

6 known combos featuring both cards in Commander

Infinite ETB Infinite creature copies of artifacts you control Infinite creature tokens Infinite magecraft triggers Infinite mana permanents you control can produce

Combo 1 with Timestream Navigator

Also requires: Timestream Navigator Timestream Navigator
Results: Infinite turns · Lock
Steps
  1. Activate Liquimetal Coating by tapping it, causing Timestream Navigator to become an artifact until end of turn.
  2. Activate Urza by paying {6}, creating a token copy of Timestream Navigator that is a 1/1 Soldier creature.
  3. Activate the oldest Timestream Navigator by paying {2}{U}{U}, tapping it and putting it on the bottom of your library from the battlefield, causing you to take an extra turn after this one.
  4. Repeat each turn.

Combo 2 with Turnabout + Archaeomancer

Results: Infinite creature copies of artifacts you control · Infinite creature tokens · Infinite ETB · Infinite magecraft triggers · Infinite mana permanents you control can produce · Infinite storm count
Show steps
  1. Activate Liquimetal Coating by tapping it, causing Archaeomancer to become an artifact until end of turn.
  2. Activate all mana-producing lands you control by tapping them, adding at least {8}{U}{U}.
  3. Cast Turnabout by paying {2}{U}{U}, untapping all lands you control.
  4. Activate Urza by paying {6}, creating a token copy of Archaeomancer that is a 1/1 Soldier in addition to its other types.
  5. When the Archaeomancer token enters the battlefield, it triggers, returning Turnabout to your hand from your graveyard.
  6. Repeat from step 2.
  7. If lands you control can tap to proudce at least {9}{U}{U}, this combo nets infinite mana, which can be used to activate Urza's ability infinitely and/or cast Turnabout choosing its other modes.

Combo 3 with Reset + Mnemonic Wall

Results: Infinite creature copies of artifacts you control · Infinite creature tokens · Infinite ETB · Infinite magecraft triggers · Infinite mana permanents you control can produce · Infinite storm count
Show steps
  1. During an opponent's turn, after their upkeep step, activate Liquimetal Coating by tapping it, causing Mnemonic Wall to become an artifact until end of turn.
  2. Activate all mana-producing lands you control by tapping them, adding at least {6}{U}{U}.
  3. Cast Reset by paying {U}{U}, untapping all lands you control.
  4. Activate Urza by paying {6}, creating a token copy of Mnemonic Wall that is a 1/1 Soldier in addition to its other types.
  5. When the Mnemonic Wall token enters the battlefield, it triggers, returning Reset to your hand from your graveyard.
  6. Repeat from step 2.
  7. If lands you control can tap to proudce at least {7}{U}{U}, this combo nets infinite mana, which can be used to activate Urza's ability infinitely and/or cast Reset choosing its other modes.

Combo 4 with Turnabout + Mnemonic Wall

Results: Infinite creature copies of artifacts you control · Infinite creature tokens · Infinite ETB · Infinite magecraft triggers · Infinite mana permanents you control can produce · Infinite storm count
Show steps
  1. Activate Liquimetal Coating by tapping it, causing Mnemonic Wall to become an artifact until end of turn.
  2. Activate all mana-producing lands you control by tapping them, adding at least {8}{U}{U}.
  3. Cast Turnabout by paying {2}{U}{U}, untapping all lands you control.
  4. Activate Urza by paying {6}, creating a token copy of Mnemonic Wall that is a 1/1 Soldier in addition to its other types.
  5. When the Mnemonic Wall token enters the battlefield, it triggers, returning Turnabout to your hand from your graveyard.
  6. Repeat from step 2.
  7. If lands you control can tap to proudce at least {9}{U}{U}, this combo nets infinite mana, which can be used to activate Urza's ability infinitely and/or cast Turnabout choosing its other modes.

Combo 5 with Reset + Archaeomancer

Results: Infinite creature copies of artifacts you control · Infinite creature tokens · Infinite ETB · Infinite magecraft triggers · Infinite mana permanents you control can produce · Infinite storm count
Show steps
  1. During an opponent's turn, after their upkeep step, activate Liquimetal Coating by tapping it, causing Archaeomancer to become an artifact until end of turn.
  2. Activate all mana-producing lands you control by tapping them, adding at least {6}{U}{U}.
  3. Cast Reset by paying {U}{U}, untapping all lands you control.
  4. Activate Urza by paying {6}, creating a token copy of Archaeomancer that is a 1/1 Soldier in addition to its other types.
  5. When the Archaeomancer token enters the battlefield, it triggers, returning Reset to your hand from your graveyard.
  6. Repeat from step 2.
  7. If lands you control can tap to proudce at least {7}{U}{U}, this combo nets infinite mana, which can be used to activate Urza's ability infinitely and/or cast Reset choosing its other modes.

Combo 6 with Training Grounds + Earthcraft

Results: Infinite ETB · Infinite tapped creature tokens
Show steps
  1. Activate Liquimetal Coating by tapping it, causing Training Grounds to become an artifact until end of turn.
  2. Activate the basic land by tapping it, adding {1}.
  3. Activate Urza by paying {4}, creating a token copy of Training Grounds that is a 1/1 Soldier in addition to its other types.
  4. Activate Earthcraft by tapping the Training Grounds token, untapping a basic land.
  5. Activate the basic land by tapping it, adding {1}.
  6. Activate Urza by paying {2}, creating a token copy of Training Grounds that is a 1/1 Soldier in addition to its other types.
  7. Activate Earthcraft by tapping the Training Grounds token, untapping a basic land.
  8. Activate the basic land by tapping it, adding {1}.
  9. Activate Urza by paying {1}, creating a token copy of Training Grounds that is a 1/1 Soldier in addition to its other types.
  10. Repeat from step 7.
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