Underground River appears in 721 competitive decklists in our database. Standard accounts for 98.5% of lists. Coverage spans November 2022 to May 2026.
Competitive format breakdown
Format
Decks
Share
710
98.5%
4
0.6%
Other ingested formats (not in the competitive breakdown): 1%
Often played with
Recent events
Arena Championship 12 — 1 deck (5/23/2026)
Pro Tour Magic: The Gathering—FINAL FANTASY — 12 decks (6/20/2025)
South America Magic Series: Santiago — 2 decks (6/2/2025)
Magic Spotlight: FINAL FANTASY — 1 deck (6/2/2025)
F2F Tour Championship: Montreal — 1 deck (5/26/2025)
Frequently asked questions
How many competitive decks play Underground River?
Our database currently tracks 721 competitive decklists that include this card.
What formats use Underground River most?
Standard leads (98.5%), followed by Pioneer (0.6%).
What cards pair with Underground River?
Top co-played cards include Go for the Throat (82%) and Cut Down (77%).
When was Underground River last seen in the data?
The most recent ingested list was at Arena Championship 12 (May 23, 2026).
What time range does this data cover?
Tracked lists span November 2022 through May 2026.
Is Underground River played in Standard?
Yes — 710 competitive Standard lists include Underground River (98.5% 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 May 2026 · Last decklist seen: Arena Championship 12, May 23, 2026