Quilled Greatwurm + Sage of Hours

GU identity

Commander legal

The 2 combo pieces

What must be in place

Sage of Hours has power 5 or greater from any indefinite effect except +1/+1 counters, and does not have summoning sickness.
An opponent cannot block and kill Sage of Hours.

How to execute it

  1. Deal combat damage using Sage of Hours.
  2. Quilled Greatwurm triggers, putting that many +1/+1 counters on Sage of Hours.
  3. Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
  4. Repeat each turn.

What the combo produces