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 4.8% of Modern decks played it (8 of 166). Most played in UB (unclassified). In the last 30 days 3.8% of Legacy decks played it (10 of 264). Most played in UBG (unclassified).

Staple

Modern staples: main deck, 4% of decks (#173); sideboard, 4% of decks (#56)
Blue, Creatures

Last 120 days of MTGO results and paper tournaments.

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 8 of 166 decks (4.8%).

Share of decks

5.9%

vs previous 30 days

Decks

5 main, 6 sideboard

Avg. copies

1.8

in the main deck

Win rate

60%

3 top 8 (challenges only)

Archetypes by metagame share

Archetype	Meta	Play it
UB (unclassified)	3.0%	20%
UBG (unclassified)	2.4%	100%
Mono-Blue (unclassified)	1.2%	100%
UG (unclassified)	0.6%	100%

Played together with

Card	Together	Lift
Force of Negation	100%	8.4
Darkslick Shores	80%	18.0
Subtlety	80%	13.5
Counterspell	80%	12.0
Undercity Sewers	80%	8.3
Psychic Frog	80%	8.3
Watery Grave	80%	7.7
Otawara, Soaring City	80%	6.0
Sink into Stupor // Soporific Springs	80%	5.1
Fatal Push	80%	3.6

Best win rate

Deck	Record
UG FakeShaver in Modern Challenge 32	7-2 78%
UBG BvV in Modern Challenge 32	5-2 71%
Mono-Blue E90_DeliveryBoy in Modern Challenge 32	4-2 67%
Mono-Blue E90_DeliveryBoy in Modern Challenge 32	4-2 67%
UBG OiGachi1 in Modern Challenge 32	4-2 67%
UBG ETBJezus in Modern Challenge 32	5-3 63%
UB huyuCD in Modern Challenge 32	3-3 50%
UBG virp13 in Modern Challenge 16	1-4 20%

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 10 of 264 decks (3.8%).

Share of decks

1.9%