Mechtitan Core + Myr Battlesphere Combos

4 known combos featuring both cards in Commander

Infinite blinking of artifact creatures Infinite blinking of Vehicles you control Infinite colorless mana Infinite creature tokens Infinite death triggers

Combo 1 with Prototype Portal + Clock of Omens + Ashnod's Altar

Results: Infinite blinking of artifact creatures · Infinite blinking of Vehicles you control · Infinite colorless mana · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana artifacts you control can produce · Infinite sacrifice triggers · Infinite untap of artifacts you control
Steps
  1. Activate Prototype Portal by paying {2} and tapping it, creating a token copy of Mechtitan Core.
  2. Activate the Mechtitan Core token by paying {5} and exiling it, Myr Battlesphere, and any three other nontoken artifact creatures and/or nontoken Vehicles, creating a 10/10 Mechtitan creature token.
  3. Activate Ashnod's Altar by sacrificing the Mechtitan token, adding {C}{C}.
  4. The Mechtitan core token triggers, returning all other cards exiled by it to the battlefield tapped.
  5. Myr Battlesphere enters the battlefield, creating four 1/1 Myr artifact creature tokens.
  6. Activate Clock of Omens by tapping two Myr tokens, untapping Prototype Portal.
  7. Activate Ashnod's Altar three times by sacrificing three Myr tokens, adding {C}{C}{C}{C}{C}{C}.
  8. Repeat.

Combo 2 with Prototype Portal + Clock of Omens + Krark-Clan Ironworks

Results: Infinite blinking of artifact creatures · Infinite blinking of Vehicles you control · Infinite colorless mana · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana artifacts you control can produce · Infinite sacrifice triggers · Infinite untap of artifacts you control
Show steps
  1. Activate Prototype Portal by paying {2} and tapping it, creating a token copy of Mechtitan Core.
  2. Activate the Mechtitan Core token by paying {5} and exiling it, Myr Battlesphere, and any three other nontoken artifact creatures and/or nontoken Vehicles, creating a 10/10 Mechtitan creature token.
  3. Activate Krark-Clan Ironworks by sacrificing the Mechtitan token, adding {C}{C}.
  4. The Mechtitan core token triggers, returning all other cards exiled by it to the battlefield tapped.
  5. Myr Battlesphere enters the battlefield, creating four 1/1 Myr artifact creature tokens.
  6. Activate Clock of Omens by tapping two Myr tokens, untapping Prototype Portal.
  7. Activate Krark-Clan Ironworks three times by sacrificing three Myr tokens, adding {C}{C}{C}{C}{C}{C}.
  8. Repeat.

Combo 3 with Prototype Portal + Dross Scorpion + Krark-Clan Ironworks

Results: Infinite blinking of artifact creatures · Infinite blinking of Vehicles you control · Infinite colorless mana · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana artifacts you control can produce · Infinite sacrifice triggers · Infinite untap of artifacts you control
Show steps
  1. Activate Prototype Portal by paying {2} and tapping it, creating a token copy of Mechtitan Core.
  2. Activate the Mechtitan Core token by paying {5} and exiling it, Myr Battlesphere, and any three other nontoken artifact creatures and/or nontoken Vehicles, creating a 10/10 Mechtitan creature token.
  3. Activate Krark-Clan Ironworks by sacrificing the Mechtitan token, adding {C}{C}.
  4. The Mechtitan token dies, triggering Dross Scorpion and Mechtitan Core.
  5. Resolve the Dross Scorpion trigger, untapping Prototype Portal.
  6. Resolve the Mechtitan Core token trigger, returning all other cards exiled by it to the battlefield tapped.
  7. Myr Battlesphere enters the battlefield, creating four 1/1 Myr artifact creature tokens.
  8. Activate Krark-Clan Ironworks three times by sacrificing three Myr tokens, adding {C}{C}{C}{C}{C}{C}.
  9. Dross Scorpion triggers three times, allowing you to untap up to three artifacts you control.
  10. Repeat.

Combo 4 with Prototype Portal + Dross Scorpion + Ashnod's Altar

Results: Infinite blinking of artifact creatures · Infinite blinking of Vehicles you control · Infinite colorless mana · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana artifacts you control can produce · Infinite sacrifice triggers · Infinite untap of artifacts you control
Show steps
  1. Activate Prototype Portal by paying {2} and tapping it, creating a token copy of Mechtitan Core.
  2. Activate the Mechtitan Core token by paying {5} and exiling it, Myr Battlesphere, and any three other nontoken artifact creatures and/or nontoken Vehicles, creating a 10/10 Mechtitan creature token.
  3. Activate Ashnod's Altar by sacrificing the Mechtitan token, adding {C}{C}.
  4. The Mechtitan token dies, triggering Dross Scorpion and Mechtitan Core.
  5. Resolve the Dross Scorpion trigger, untapping Prototype Portal.
  6. Resolve the Mechtitan Core token trigger, returning all other cards exiled by it to the battlefield tapped.
  7. Myr Battlesphere enters the battlefield, creating four 1/1 Myr artifact creature tokens.
  8. Activate Ashnod's Altar three times by sacrificing three Myr tokens, adding {C}{C}{C}{C}{C}{C}.
  9. Dross Scorpion triggers three times, allowing you to untap up to three artifacts you control.
  10. Repeat.
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