2Reidane, God of the Worthy // Valkmira, Protector's Shield
Instants(6)
2Magma Spray
2Abrade
2Fry
Sorceries(2)
2Declaration in Stone
Enchantments(3)
2Rest in Peace
1Showdown of the Skalds
Creatures(4)
2Archon of Emeria
2Reidane, God of the Worthy // Valkmira, Protector's Shield
Sorceries(2)
2Declaration in Stone
Instants(6)
2Magma Spray
2Abrade
2Fry
Enchantments(3)
2Rest in Peace
1Showdown of the Skalds
Competitive insights for Karn, Scion of Urza
Overview
Karn, Scion of Urza was last seen at 2026 MOCS Season 1 Showcase (Jun 7, 2026). It appears in 45 competitive decklists, mainly in Pioneer (4.4%). It is most often paired with Sorcerous Spyglass (89%) and Ulamog, the Ceaseless Hunger (87%). Coverage spans September 2020 to June 2026.
Competitive format breakdown
Format
Decks
Share
2
4.4%
Other ingested formats (not in the competitive breakdown): 95.6%
Often played with
Recent events
2026 MOCS Season 1 Showcase — 1 deck (6/7/2026)
2025 MOCS Season 2 Showcase — 1 deck (10/12/2025)
2023 Magic Online Champions Showcase Season 3 Vintage Cube Draft Decklists — 1 deck (1/13/2024)
Pro Tour Phyrexia Pioneer Decklists L-R — 1 deck (2/17/2023)
Frequently asked questions
How many competitive decks play Karn, Scion of Urza?
Our database currently tracks 45 competitive decklists that include this card.
What formats use Karn, Scion of Urza most?
Pioneer is the most common format (4.4% of tracked lists).
What cards pair with Karn, Scion of Urza?
Top co-played cards include Sorcerous Spyglass (89%) and Ulamog, the Ceaseless Hunger (87%).
When was Karn, Scion of Urza last seen in the data?
The most recent ingested list was at 2026 MOCS Season 1 Showcase (Jun 7, 2026).
What time range does this data cover?
Tracked lists span September 2020 through June 2026.
Is Karn, Scion of Urza played in Pioneer?
Yes — 2 competitive Pioneer lists include Karn, Scion of Urza (4.4% 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 June 2026 · Last decklist seen: 2026 MOCS Season 1 Showcase, Jun 7, 2026
