Cathars' Crusade + Druid's Call + Lae'zel, Vlaakith's Champion + Walking Ballista

GW identity

Commander legal

The 4 combo pieces

What must be in place

Druid's Call attached to Walking Ballista.
Walking Ballista has at least three +1/+1 counters.

How to execute it

  1. Activate Walking Ballista's first ability by removing a +1/+1 counter from it, dealing 1 damage to itself.
  2. Druid's Call triggers, creating a 1/1 Squirrel creature token.
  3. The Squirrel enters the battlefield, triggering Cathars' Crusade, putting two +1/+1 counters on each creature you control.
  4. Repeat.

What the combo produces