First printed in Modern Horizons 3 (2024)

All 4 prints

Marvel Universe (MAR) #55, 2026
Modern Horizons 3 (MH3) #451, 2024
Modern Horizons 3 (MH3) #63, 2024
Modern Horizons 3 Promos (PMH3) #63s, 2024

Harbinger of the Seas

Creature — Merfolk Wizard

Nonbasic lands are Islands.

In the last 30 days 3.7% of Modern decks played it (85 of 2268). Most played in Moonshadow. In the last 30 days 1.6% of Legacy decks played it (17 of 1071). Most played in UBG (unclassified).

Staple

Modern staples: sideboard, 4% of decks (#52)
Blue, Creatures
Legacy staples: sideboard, 3% of decks (#73)
Blue, Creatures
Duel Commander staples: main deck, 4% of decks (#552)
Blue, Creatures

Last 120 days of MTGO results and paper tournaments.

Combos

2 combos from Commander Spellbook, the most popular first.

Nonbasic lands do not untap, Lock…: Choke + Harbinger of the Seas
Nonbasic lands do not untap, Lock…: Curse of Marit Lage + Harbinger of the Seas

Legality

Constructed

Standard Not legal
Pioneer Not legal
Modern Legal
Legacy Legal
Vintage Legal
Pauper Not legal
Future Standard Not legal
Historic Legal
Timeless Legal
Alchemy Not legal
Penny Dreadful Not legal
Premodern Not legal
Old School 93/94 Not legal

Singleton

Gladiator Legal

Commander formats

Commander Legal
Duel Commander Legal
Pauper Commander Not legal
PreDH Not legal
Tiny Leaders Legal
Oathbreaker Legal
Brawl Legal
Standard Brawl Not legal
Competitive Brawl Legal

In tournament decks of the last 30 days

Meta: share of the archetype in the format
Play it: decks of the archetype that play this card
Together: decks with this card that also play the other one (main deck)
Lift: how much more often than chance: 1 = unrelated, above 1 = played together on purpose

Modern Other periods →

In 85 of 2268 decks (3.7%).

Share of decks

3.7%

▼ 1.6 vs previous 30 days

Weekly, last 90 days

Decks

31 main, 68 sideboard

Avg. copies

1.7

in the main deck

Win rate

59%

15 top 8 (challenges only)

Archetypes by metagame share

Archetype	Meta	Play it
Moonshadow	10.4%	1%
Boros Energy	6.3%	1%
Affinity	5.7%	4%
UBG (unclassified)	2.1%	77%
UB (unclassified)	1.2%	29%
Mono-Blue (unclassified)	1.1%	58%
UBR (unclassified)	1.0%	9%
UG (unclassified)	0.5%	50%

Played together with

Card	Together	Lift
Sink into Stupor // Soporific Springs	94%	6.3
Force of Negation	94%	5.6
Subtlety	87%	13.0
Flooded Strand	74%	2.8
Tamiyo, Inquisitive Student // Tamiyo, Seasoned Scholar	68%	19.0
Polluted Delta	61%	2.5
Counterspell	58%	9.9
Psychic Frog	58%	6.6
Undercity Sewers	58%	5.4
Otawara, Soaring City	58%	5.2

Best win rate

Deck	Record
UG FakeShaver in Modern Challenge 32	7-2 78%
UBG virp13 in Modern Challenge 32	7-2 78%
UB huyuCD in Modern Challenge 32	6-2 75%
UBG storti in Modern Challenge 32	6-2 75%
UBG Meltiin in Modern Challenge 96	6-2 75%
UBG OafMcNamara in Modern Challenge 96	6-2 75%
UBG BvV in Modern Challenge 32	5-2 71%
UBG virp13 in Modern Challenge 16	5-2 71%

Challenges only: MTGO publishes only the 5-0 league decks.

Latest decks

Deck	Copies	Finish
Mono-Blue E90_DeliveryBoy, 28 Oct	2 side	#15 4-2
UB huyuCD, 28 Oct	1 main 1 side	#18 3-3
UBG BvV, 27 Oct	2 main 1 side	#7 5-2
Mono-Blue E90_DeliveryBoy, 27 Oct	2 side	#13 4-2
UBG virp13, 27 Oct	2 main	#21 1-4
UG FakeShaver, 27 Oct	1 side	#2 7-2
UBG ETBJezus, 27 Oct	2 main 2 side	#4 5-3
UBG OiGachi1, 27 Oct	2 main	#17 4-2

Legacy Other periods →

In 17 of 1071 decks (1.6%).

Share of decks

1.6%

▼ 1.0 vs previous 30 days

Weekly, last 90 days

Decks

3 main, 14 sideboard

Avg. copies

1.0

in the main deck

Win rate

55%

4 top 8 (challenges only)

Archetypes by metagame share

Archetype	Meta	Play it
UBG (unclassified)	6.0%	2%
Dimir Midrange	4.9%	4%
Omni-Tell	3.8%	2%
WUG (unclassified)	2.7%	3%
Affinity	1.4%	47%
Jeskai Control	1.2%	23%
Cephalid Breakfast	1.0%	9%
Narset Control	0.1%	100%

Played together with

Card	Together	Lift
Supreme Verdict	100%	97.4
Chandra, Chill of Compliance	100%	97.4
Back to Basics	100%	53.6
Teferi, Time Raveler	100%	39.7
Forth Eorlingas!	100%	31.5
Erode	100%	26.1
Wrath of the Skies	100%	21.9
Prismatic Vista	100%	15.3
Prismatic Ending	100%	13.7
Force of Negation	100%	7.6

Best win rate

Deck	Record
Affinity Diego Pernas Rego in Arzúa - Piknitas Legacy (puntúa para a LIL 26/27)	6-1 86%
Affinity 2plus2isfive in Legacy Showcase Challenge	7-2 78%
Jeskai Control Aced5 in Legacy Challenge 32	7-2 78%
Dimir Midrange Dani Servia in Arzúa - Piknitas Legacy (puntúa para a LIL 26/27)	3-2 60%
Cephalid Breakfast Maurice Lenz in Emjati's Eternal Sunday III - Legacy	3-2 60%
UBG Aced5 in Legacy Challenge 32	3-3 50%
Affinity Razdan08 in Legacy Challenge 16	3-3 50%
Narset Control Matthew Strand in BCDL 30 - Ohio	2-3 40%

Challenges only: MTGO publishes only the 5-0 league decks.

Latest decks

Deck	Copies	Finish
Jeskai Control cleverPPZ, 28 Oct	1 main	5-0
UBG Aced5, 27 Oct	1 side	#19 3-3
Affinity 2plus2isfive, 25 Oct	2 side	#15 7-2
Narset Control Matthew Strand, 24 Oct	1 side	#17 2-3
Jeskai Control Aced5, 24 Oct	1 main	#2 7-2
Jeskai Control cleverPPZ, 20 Oct	1 main	5-0
Affinity Razdan08, 11 Oct	2 side	#8 3-3
Affinity Kihara_Works, 11 Oct	2 side	#20 2-3

Commander Other periods →

In 17 of 6150 decks (0.3%).

Share of decks

0.3%

▼ 0.1 vs previous 30 days

Weekly, last 90 days

Decks

17 main, 0 sideboard

Avg. copies

1.0

in the main deck

Win rate

30%

1 top 8 (challenges only)

Archetypes by metagame share

Archetype	Meta	Play it
Kinnan, Bonder Prodigy	7.4%	0%
Yuriko, the Tiger's Shadow	0.6%	3%
Urza, Lord High Artificer	0.6%	6%
Talion, the Kindly Lord	0.2%	8%
Jacob Hauken, Inspector	0.1%	75%
Grand Arbiter Augustin IV	0.0%	100%
Eluge, the Shoreless Sea	0.0%	100%
Gran-Gran	0.0%	100%

Played together with

Card	Together	Lift
Lotus Petal	94%	1.0
Rhystic Study	88%	1.4
Fierce Guardianship	88%	1.4
Sol Ring	88%	0.9
Mystical Tutor	82%	2.1
Force of Negation	82%	1.7
Arcane Signet	82%	1.3
Force of Will	82%	1.3
Mox Diamond	82%	1.0
Chrome Mox	82%	0.9

Best win rate

Deck	Record
Jacob Hauken, Inspector Stephen Oxford in Steel City Green Chile Slopper Tournament Series I	2-3 40%
Kinnan, Bonder Prodigy Edgar G 🤓 // JUNiTØ in FOIL Gaea's Cradle cEDH 6k	1-4 20%

Challenges only: MTGO publishes only the 5-0 league decks.

Latest decks

Deck	Copies	Finish
Grand Arbiter Augustin IV Quiddity, 24 Oct	1 main	#68 0-4
Jacob Hauken, Inspector Ryzer Hendricks, 18 Oct	1 main	#30 1-3
Jacob Hauken, Inspector Stephen Oxford, 18 Oct	1 main	#10 2-3
Jacob Hauken, Inspector Shervin Saadati-Khanshir, 18 Oct	1 main	#28 1-3
Gran-Gran AutumnMTG, 18 Oct	1 main	#10 1-2
Tui and La, Moon and Ocean Michael Hall, 17 Oct	1 main	#9 1-2
Grand Arbiter Augustin IV Trace Toten, 17 Oct	1 main	#15 0-2
Urza, Lord High Artificer Jonah, 10 Oct	1 main	#6 1-2

Duel Commander Other periods →

In 1 of 80 decks (1.3%).

Share of decks

1.3%

▼ 4.5 vs previous 30 days

Weekly, last 90 days

Decks

1 main, 0 sideboard

Avg. copies

1.0

in the main deck

Win rate

–

0 top 8 (challenges only)

Archetypes by metagame share

Archetype	Meta	Play it
WU (unclassified)	2.5%	50%

Played together with

Not enough decks yet.

Best win rate

No challenge results yet.

Challenges only: MTGO publishes only the 5-0 league decks.

Latest decks

Deck	Copies	Finish
WU VanDerDorf, 11 Oct	1 main	5-0

No recent decks in: Vintage.