1Invasion of Arcavios // Invocation of the Founders
Lands(24)
4Caves of Koilos
4Concealed Courtyard
4Darkslick Shores
4Seachrome Coast
4Underground River
4Valgavoth's Lair
Creatures(2)
1Oildeep Gearhulk
1Vile Entomber
Sorceries(12)
4Lively Dirge
4Abuelo's Awakening
4Beseech the Mirror
Battles(1)
1Invasion of Arcavios // Invocation of the Founders
Lands(24)
4Caves of Koilos
4Concealed Courtyard
4Darkslick Shores
4Seachrome Coast
4Underground River
4Valgavoth's Lair
Instants(5)
1Confounding Riddle
4Ephara's Dispersal
Artifacts(4)
4Gold Pan
Enchantments(12)
4Roiling Dragonstorm
4Temporary Lockdown
4Omniscience
Sideboard(15)
Creatures(3)
2Grand Abolisher
1Kutzil's Flanker
Instants(4)
4Spell Pierce
Sorceries(7)
4Stock Up
1Ancient Vendetta
1Heroic Reinforcements
1Season of Weaving
Battles(1)
1Invasion of Arcavios // Invocation of the Founders
Creatures(3)
2Grand Abolisher
1Kutzil's Flanker
Battles(1)
1Invasion of Arcavios // Invocation of the Founders
Instants(4)
4Spell Pierce
Sorceries(7)
4Stock Up
1Ancient Vendetta
1Heroic Reinforcements
1Season of Weaving
Competitive insights for Caves of Koilos
Overview
Caves of Koilos appears in 684 competitive decklists in our database. Standard accounts for 98.1% of lists. Coverage spans October 2022 to July 2025.
Competitive format breakdown
Format
Decks
Share
671
98.1%
12
1.8%
Other ingested formats (not in the competitive breakdown): 0.1%
Often played with
Recent events
Pro Tour Magic: The Gathering—FINAL FANTASY — 10 decks (6/20/2025)
F2F Tour Championship: Montreal — 1 deck (5/26/2025)
United States Regional Championships: Hartford — 3 decks (5/19/2025)
MIT Championship Finals: Taipei City — 2 decks (5/19/2025)
ANZ Super Series Finals: Melbourne — 2 decks (5/12/2025)
Frequently asked questions
How many competitive decks play Caves of Koilos?
Our database currently tracks 684 competitive decklists that include this card.
What formats use Caves of Koilos most?
Standard leads (98.1%), followed by Pioneer (1.8%).
What cards pair with Caves of Koilos?
Top co-played cards include Cut Down (60%) and Go for the Throat (59%).
When was Caves of Koilos last seen in the data?
The most recent ingested list was at Pro Tour Magic: The Gathering—FINAL FANTASY (Jun 20, 2025).
What time range does this data cover?
Tracked lists span October 2022 through July 2025.
Is Caves of Koilos played in Standard?
Yes — 671 competitive Standard lists include Caves of Koilos (98.1% of tracked lists).
About competitive deck data
Lists are sourced from competitive Magic: The Gathering events ingested from magic.gg and related feeds. Card names, oracle text, and images are provided via Scryfall. Synergy rates show how often another card appears in the same decklist. Data is updated as new events are imported.
Data updated through July 2025 · Last decklist seen: Pro Tour Magic: The Gathering—FINAL FANTASY, Jun 20, 2025
