Cathodion + Dross Scorpion + Prototype Portal + Sarcatog

Mana needed: {3}

BR identity

Commander legal

The 4 combo pieces

• Cathodion
• Dross Scorpion
• Prototype Portal
• Sarcatog

How to execute it

1. Activate Prototype Portal by paying {3} and tapping it, creating a token copy of Cathodion.
2. Activate Sarcatog 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 Sarcatog ability, giving it +1/+1 until end of turn.
7. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinitely large creature until end of turn