Exchanges
Supply
Synergy
High (78)Trash-for-benefit 100%Engine 80%Attack-heavy 75%
Gain-reaction junk defense vs junkers — Young Witch + Trader
Watchtower and Trader defuse Witch-family attacks on gain — a strong pick-both signal when cursers are present.
Topdeck gainer + deck-top player — Develop + Herald
Armory/Bureaucrat/Travelling Fair place a known card on the deck; Vassal/Herald/Piazza/Gamble play it immediately.
Per-gain payoff + multi-gainer — Cauldron + Butcher
Livery/Garrison/Labyrinth/Commerce only shine when you gain several cards per turn — Workshops/Horse/Loot gainers and +Buy provide those gains.
Extra piles
Bane