
Price$0.49 – $17.48
Buy on TCGplayerCaves of Koilos
Land
LegalEDHREC #125
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. This land deals 1 damage to you.
Why is this card good?
The pain that keeps on giving. Caves of Koilos is a premium dual land for any Orzhov (WB) deck, and the reasons are simple: it enters untapped and produces both your colors immediately. In Commander, where you're often casting expensive spells across a long game, the tempo of untapped fixing matters enormously — a tapped dual on turn three can cost you a critical play.
The "pain" downside is almost irrelevant in EDH. You start at 40 life, and you can tap it for colorless when you don't need a specific color. Losing a couple of life over a game is a fine price for consistent, untapped fixing.
Who wants it: Any two-color Orzhov deck — aristocrats (Teysa Karlov), lifegain (Karlov), tokens, stax/control. It's also great in three- or four-color decks that include WB.
When to skip it: Mono-white or mono-black decks gain nothing here (just play basics or untapped utility lands). Otherwise, it's a near-auto-include.
Related cards

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Marsh Flats
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Scrubland

Original WB dual land with no drawback.

Concealed Courtyard

WB fast land untapped early game.

Vault of Champions

WB pain-free dual gaining life instead.

Silent Clearing

WB Horizon land taps for both colors with life cost.

Shineshadow Snarl

WB snarl land enters untapped revealing relevant lands.
Printings (20)
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Played by these commanders
Breena, the Demagogue100% of 1
Ulalek, Fused Atrocity100% of 2
Killian, Decisive Mentor100% of 1
Kathril, Aspect Warper100% of 1
Olivia, Opulent Outlaw100% of 1
Dihada, Binder of Wills100% of 1
Zurgo Stormrender100% of 1
Saskia the Unyielding100% of 1
Aminatou, Veil Piercer100% of 1
Temmet, Naktamun's Will100% of 1
Rulings (2)
- 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.