Unrelenting Assault

All Forerunner spells cost {2} less to cast.
Exile target Wall and give all Forerunner creatures +3+2 until Unrelenting Assault leaves the field.
If a Forerunner were to die, remove all counters from it and give it -3-2.
We fired at their line with everything we had. They still cut us down and ran past us into town.