---
name: "Arcum's Weathervane"
mana_cost: "{2}"
cmc: 2
type_line: "Artifact"
colors: []
color_identity: []
keywords: []
set: "CST"
set_name: "Coldsnap Theme Decks"
collector_number: "310"
rarity: "uncommon"
artist: "Tom Wänerstrand"
oracle_id: "b4e57fba-5fa3-4fd5-8f0a-7b61593ade72"
canonical_url: "https://avascry.com/printing/arcums-weathervane-cst"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Arcum's Weathervane
- **Mana Cost:** `{2}` (CMC: 2)
- **Type:** Artifact

## Oracle Text
{2}, {T}: Target snow land is no longer snow.
{2}, {T}: Target nonsnow basic land becomes snow.

## Top 4096-Dim Neural Synergies
1. [Thermal Flux](/printing/thermal-flux-csp.md) — Instant
2. [Balduvian Conjurer](/printing/balduvian-conjurer-ice.md) — Creature — Human Wizard
3. [Mystic Compass](/printing/mystic-compass-all.md) — Artifact
4. [Balduvian Frostwaker](/printing/balduvian-frostwaker-csp.md) — Creature — Human Wizard
5. [Sculptor of Winter](/printing/sculptor-of-winter-khm.md) — Snow Creature — Elf Rogue
6. [Melting](/printing/melting-ice.md) — Enchantment

## Printing Details
- **Set:** Coldsnap Theme Decks (CST) #310
- **Rarity:** Uncommon
- **Artist:** Tom Wänerstrand
- **Total Printings:** 13 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `not_legal` | Modern: `not_legal` | Pioneer: `not_legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `not_legal`