• Type: Action
• Cost: 5
• Effect: +1 Card / +1 Action / Look at the top 4 cards of your deck. Discard any number of them, then put the rest back in any order.

Hinterlands' cantrip + top-4 sift. At cost 5, cantrip plus a powerful "look at 4, discard any, reorder rest" filter.

Biggest strength: continuous deck-quality management. Discard Estates/Curses, keep power on top. Tunnel synergy = discard for Gold.

Community consensus: quietly strong, ideal engine support. Tier B+ to A.

Buy at $5. Mid-game integrate into engine.

Each turn play Cartographer, sift top 4. Discard Estates/Coppers, keep power up.

Cartographer + Tunnel: Discard Tunnel for Gold.

Cartographer + Fool's Gold: Stack FGs on top for next-turn explosion.

Cartographer + Crossroads: Crossroads draws VP, Cartographer cleans the rest.

Cartographer + King's Court: +2 cards / +2 actions / 8-card sift.

Cartographer + Inn: Reshuffle then Cartographer cleans.

• Tunnel: Discard for Gold.
• Fool's Gold: Stack on top.
• Crossroads: VP + sift.
• King's Court / Throne Room: Doubling.
• Inn: Reuse.
• Border Village: Action support.
• Chapel: Thinning + sift.

• Thin decks: No targets.
• Short games: Sift benefit not realized.
• Heavy attacks: Hand denied.

Discard priority: Estate > Copper > unwanted terminal.

Reorder: Put next-turn key card on top.

Cap: 2-3 copies. Continuous deck cleaning.

KC + Cartographer: +2 / +2 / 8 sift.

Tunnel synergy: Discard Tunnel = Gold. Multi-Cartographer = multi-Gold.

Engine support: Stabilizes draw engines.