Cathars' Crusade + Sage of Hours + Tetravus

WU identity

Commander legal

The 3 combo pieces

What must be in place

Tetravus has at least five +1/+1 counters on it.

How to execute it

  1. At the beginning of your upkeep, Tetravus' first and second abilities trigger.
  2. Resolve Tetravus' second ability, choosing not to exile any tokens.
  3. Resolve Tetravus' first ability, causing you to remove five +1/+1 counters from Tetravus to create five 1/1 Tetravite creature tokens.
  4. The Tetravites enter the battlefield, triggering Cathars' Crusade five times, putting five +1/+1 counters on each creature you control.
  5. Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
  6. Repeat each turn.

What the combo produces