Grim Parade

Supply

Shelters

Synergy

High (79)
Engine 100%Trash-for-benefit 100%Attack-heavy 50%
Procession + Fortress Procession + Fortress

Procession trashes the card it plays for a cost-plus-1 gain, but Fortress returns to your hand instead of being trashed — a free, repeatable gain engine.

Variety payoff + broad gainer/+Buy Forager + Armory

Fairgrounds/Museum/Horn of Plenty want many differently-named cards; Workshops and +Buy make one-of shopping cheap.

Trasher + wants-to-be-trashed Catacombs + Cultist

Fortress/Rats/Feodum/Squire-style cards want to be trashed repeatedly; trash-for-benefit cards are happy to oblige.