Harbinger of the Seas appears in 92 competitive decklists in our database. Modern accounts for 93.5% of lists. Coverage spans June 2024 to July 2026.
Competitive format breakdown
Format
Decks
Share
86
93.5%
Other ingested formats (not in the competitive breakdown): 6.5%
Often played with
Recent events
Pro Tour Magic: The Gathering | Marvel Super Heroes — 6 decks (7/17/2026)
Arena Championship 12 — 6 decks (5/23/2026)
United States Regional Championships: Las Vegas — 3 decks (11/24/2025)
F2F Tour Championship: Calgary — 3 decks (11/24/2025)
Ultimate Guard European Magic Series: Antwerp — 3 decks (11/24/2025)
Frequently asked questions
How many competitive decks play Harbinger of the Seas?
Our database currently tracks 92 competitive decklists that include this card.
What formats use Harbinger of the Seas most?
Modern is the most common format (93.5% of tracked lists).
What cards pair with Harbinger of the Seas?
Top co-played cards include Consign to Memory (87%) and Force of Negation (79%).
When was Harbinger of the Seas last seen in the data?
The most recent ingested list was at Pro Tour Magic: The Gathering | Marvel Super Heroes (Jul 17, 2026).
What time range does this data cover?
Tracked lists span June 2024 through July 2026.
Is Harbinger of the Seas played in Modern?
Yes — 86 competitive Modern lists include Harbinger of the Seas (93.5% 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 July 2026 · Last decklist seen: Pro Tour Magic: The Gathering | Marvel Super Heroes, Jul 17, 2026