Sea Kings' Blessing
Instant
One or more target creatures become blue until end of turn.
- CMC
- 1
- Mana cost
- Color identity
- U
- Rarity
- uncommon
- Set
- Legends
- Price
- $6.55
- EDHREC rank
- #24531
Sea Kings' Blessing turns every creature you control blue until end of turn — useful for dodging color-based removal, enabling islandwalk, or fueling poison strategies where Venerated Rotpriest needs your creatures to be the targets of spells. At one blue mana for an instant, the rate is right; the deck has to be built to care.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | not legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Sea Kings' Blessing is legal in Commander, Legacy, Vintage, and Oathbreaker, but realistically sees play only in Commander, where the islandwalk angle and poison synergies have the most support. In Legacy and Vintage, the effect is too narrow to compete — turning creatures blue doesn't close games in formats defined by fast combo and powerful interaction. Commander is where Sea Kings' Blessing finds a home, specifically in blue-heavy decks that want mass color-swapping for evasion or protection triggers at instant speed.
Key Combos
Combo lines featuring this card



Venerated RotpriestStorm HerdSea Kings' Blessing
Each opponent loses the game
View on Commander Spellbook ↗Budget Alternatives
Cheaper options that do most of the same work
Sea Kings' Blessing doesn't have a clean one-to-one replacement because mass color-changing at instant speed for one mana is genuinely rare, but Cerulean Wisps hits a single creature for the same cost and replaces itself — the trade-off is coverage, not efficiency. If the goal is islandwalk enablement rather than poison synergy, Phantasmal Terrain or similar land-enchanting effects can accomplish that at common-level prices without needing a spell on your creatures at all.
Price Context
Current price
$6.55 mid tier
At $6.55, Sea Kings' Blessing sits in mid-tier pricing for a card with a narrow, build-around application — that price is driven almost entirely by scarcity from its single old printing rather than demand. It holds value for collectors but is difficult to justify on pure gameplay merit; if you're not running a dedicated islandwalk or poison shell, the price isn't worth it.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.