# Watershed Card Specification v0.1

## Card dimensions

- Prototype: 2.5 × 3.5 in poker size.
- Production placeholder: standard Game Crafter poker card component.
- Front: phase number, phase name, basin symbol, one-sentence prompt.
- Back: `WATERSHED / WATERSTORAGE`, version, parity ID.

## Phase cards

1. `W01 Collection` — Gather — flow +1, energy +1.
2. `W02 Condensation` — Concentrate — pressure -1, flow +1.
3. `W03 Precipitation` — Release — flow +2, pressure +1.
4. `W04 Infiltration` — Sink — groundwater +1, flow -1.
5. `W05 Streamlines` — Route — energy -1, record route.
6. `W06 Creeks / Rivers` — Combine — flow +1, pressure -1.
7. `W07 Lakes / Reservoirs` — Hold or release — choose one matching option.
8. `W08 Groundwater` — Protect or draw — choose one matching option.
9. `W09 Health` — Repair — pollution -1, health +1, energy -1.
10. `W10 Return` — Return — advance cycle and create a seed.

## Token colors

- Flow: blue
- Pressure: amber
- Pollution: rust
- Energy: yellow
- Groundwater: deep blue
- Reservoir: teal
- Health: green

The card text is intentionally short. Full rules live in `../parity-matrix.md` and `../SOP.md`.