Brudiclad, Telchor Engineer + Lightning Runner + Quasiduplicate

Prerequisites

• 1 or more tokens on your battlefield.

Steps

1. 1Cast Quasiduplicate from your hand, targeting Lightning Runner and creating a token copy of them.
2. 2Move to combat, triggering Brudiclad to make a 2/1 Phyrexian Myr, then turn all tokens into Lightning Runner.
3. 3Attack with at least 4 Lightning Runners, creating 2 Energy for each Lightning Runner that attacked.
4. 4Pay 8 Energy into one of the Lightning Runners, creating an extra combat step and untapping all creatures you control.
5. 5repeat steps 3-5.

Effects

• Infinite creature tokens
• Infinite energy counters