Contagion Engine + Magosi, the Waterveil Combos

3 known combos featuring both cards in Commander

Infinite turns Lock

Combo 1 with Nesting Grounds

Also requires: Nesting Grounds Nesting Grounds
Results: Infinite turns · Lock
Steps
  1. Activate Contagion Engine by paying {4} and tapping it, putting an eon counter on Magosi.
  2. Activate Nesting Grounds's last ability by paying {1} and tapping it, moving an eon counter from Magosi to Nesting Grounds.
  3. Activate Magosi's last ability by tapping it, removing an eon counter from it and returning it to your hand, taking an extra turn after this one.
  4. Play Magosi from your hand.
  5. Move to your next turn.
  6. Activate Contagion Engine by paying {4} and tapping it, putting an eon counter on Nesting Grounds.
  7. Activate Nesting Grounds's last ability by paying {1} and tapping it, moving an eon counter from Nesting Grounds to Magosi.
  8. Repeat from step 3.

Combo 2 with The Ozolith + Nature's Revolt

Also requires: The Ozolith The Ozolith Nature's Revolt Nature's Revolt
Results: Infinite turns · Lock
Show steps
  1. During your precombat main phase, activate Contagion Engine by paying {6} and tapping it, putting two eon counters on Magosi.
  2. Activate Magosi's third ability by tapping it, removing an eon counter from it and returning it from the battlefield to your hand.
  3. When Magosi leaves the battlefield, The Ozolith's first ability triggers, putting an eon counter on The Ozolith.
  4. Resolve the Magosi ability, causing you to take an extra turn after this one.
  5. Play Magosi.
  6. At the beginning of your combat phase, The Ozolith triggers, putting two eon counters on Magosi.
  7. Repeat each turn.

Combo 3 with The Ozolith + Living Plane

Results: Infinite turns · Lock
Show steps
  1. During your precombat main phase, activate Contagion Engine by paying {6} and tapping it, putting two eon counters on Magosi.
  2. Activate Magosi's third ability by tapping it, removing an eon counter from it and returning it from the battlefield to your hand.
  3. When Magosi leaves the battlefield, The Ozolith's first ability triggers, putting an eon counter on The Ozolith.
  4. Resolve the Magosi ability, causing you to take an extra turn after this one.
  5. Play Magosi.
  6. At the beginning of your combat phase, The Ozolith triggers, putting two eon counters on Magosi.
  7. Repeat each turn.
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