---
name: "Caves of Koilos"
mana_cost: "N/A"
cmc: 0
type_line: "Land"
colors: []
color_identity: ["B", "W"]
keywords: []
set: "SOC"
set_name: "Secrets of Strixhaven Commander"
collector_number: "365"
rarity: "rare"
artist: "Julian Kok Joon Wen"
oracle_id: "33de01e9-ce5a-42d4-afcb-343cd54a6d80"
canonical_url: "https://avascry.com/printing/caves-of-koilos-soc"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Caves of Koilos
- **Mana Cost:** `N/A` (CMC: 0)
- **Type:** Land

## Oracle Text
{T}: Add {C}.
{T}: Add {W} or {B}. This land deals 1 damage to you.

## Top 4096-Dim Neural Synergies
1. [Llanowar Wastes](/printing/llanowar-wastes-soc.md) — Land
2. [Adarkar Wastes](/printing/adarkar-wastes-eoc.md) — Land
3. [Yavimaya Coast](/printing/yavimaya-coast-soc.md) — Land
4. [Tarnished Citadel](/printing/tarnished-citadel-ody.md) — Land
5. [Grand Coliseum](/printing/grand-coliseum-tmc.md) — Land
6. [Captivating Cave](/printing/captivating-cave-lci.md) — Land — Cave

## Printing Details
- **Set:** Secrets of Strixhaven Commander (SOC) #365
- **Rarity:** Rare
- **Artist:** Julian Kok Joon Wen

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

## Official Rulings
- *(2015-06-22)* The damage dealt to you is part of the second mana ability. It doesn't use the stack and can't be responded to.
- *(2015-06-22)* Like most lands, each land in this cycle is colorless. The damage dealt to you is dealt by a colorless source.