Extruder + Prototype Portal Combos

5 known combos featuring both cards in Commander

Infinite LTB Infinite ETB Infinite sacrifice triggers Infinite death triggers Infinite +1/+1 counters on creatures you control

Combo 1 with Ugin's Nexus

Also requires: Ugin's Nexus Ugin's Nexus
Results: Infinite turns · Lock
Steps
  1. Activate Prototype Portal by paying {5} and tapping it, creating a token copy of Ugin's Nexus.
  2. Activate Extruder by sacrificing the Ugin's Nexus token.
  3. The Ugin's Nexus token is exiled instead of being put into your graveyard, causing you to take an extra turn after this one.
  4. Resolve the Extruder ability, putting a +1/+1 counter on a creature you control.
  5. Repeat each turn.

Combo 2 with Dross Scorpion + Cathodion

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite +1/+1 counters on creatures you control
Show steps
  1. Activate Prototype Portal by paying {3} and tapping it, creating a token copy of Cathodion.
  2. Activate Extruder by sacrificing Cathodion.
  3. When Cathodion dies, Cathodion and Dross Scorpion trigger.
  4. Resolve the Cathodion trigger, adding {C}{C}{C}.
  5. Resolve the Dross Scorpion trigger, untapping Prototype Portal.
  6. Resolve the Extruder ability, putting a +1/+1 counter on it.
  7. Repeat.

Combo 3 with Dross Scorpion + Myr Moonvessel

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite +1/+1 counters on creatures you control
Show steps
  1. Activate Prototype Portal by paying {1} and tapping it, creating a token copy of Myr Moonvessel.
  2. Activate Extruder by sacrificing Myr Moonvessel.
  3. When Myr Moonvessel dies, Myr Moonvessel and Dross Scorpion trigger.
  4. Resolve the Myr Moonvessel trigger, adding {C}.
  5. Resolve the Dross Scorpion trigger, untapping Prototype Portal.
  6. Resolve the Extruder ability, putting a +1/+1 counter on it.
  7. Repeat.

Combo 4 with Dross Scorpion + Su-Chi Cave Guard

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite +1/+1 counters on creatures you control
Show steps
  1. Activate Prototype Portal by paying {8} and tapping it, creating a token copy of Su-Chi Cave Guard.
  2. Activate Extruder by sacrificing Su-Chi Cave Guard.
  3. When Su-Chi Cave Guard dies, Su-Chi Cave Guard and Dross Scorpion trigger.
  4. Resolve the Su-Chi Cave Guard trigger, adding eight {C}.
  5. Resolve the Dross Scorpion trigger, untapping Prototype Portal.
  6. Resolve the Extruder ability, putting a +1/+1 counter on it.
  7. Repeat.

Combo 5 with Dross Scorpion + Su-Chi

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite +1/+1 counters on creatures you control
Show steps
  1. Activate Prototype Portal by paying {4} and tapping it, creating a token copy of Su-Chi.
  2. Activate Extruder by sacrificing Su-Chi.
  3. When Su-Chi dies, Su-Chi and Dross Scorpion trigger.
  4. Resolve the Su-Chi trigger, adding {C}{C}{C}{C}.
  5. Resolve the Dross Scorpion trigger, untapping Prototype Portal.
  6. Resolve the Extruder ability, putting a +1/+1 counter on it.
  7. Repeat.
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