Summer Castles
Supply
Synergy
Medium (71)Engine 100%Alt-VP / Rush 100%Trash-for-benefit 80%
Gardens/Silk Road + gainer + +Buy — Castles + Change
Cheap alt-VP piles score best when you can gain/buy many cards per turn to pad the deck count — the generalized Beggar/Gardens pattern.
Variety payoff + broad gainer/+Buy — Snake Witch + Change
Fairgrounds/Museum/Horn of Plenty want many differently-named cards; Workshops and +Buy make one-of shopping cheap.