Artwork unavailableSerpent
English Oracle text
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
This creature can't attack unless there are five or more Islands on the battlefield.
5 / 5
他是个喜怒无常的主子，就如同大多数被村民如神景仰的巨大怪兽一样。海岛行者（只要防御牌手操控海岛，此生物就不能被阻挡。） 除非战场上有五个或更多海岛，否则港湾巨蛇不能攻击。
The second ability checks how many Islands are on the battlefield (regardless of who controls them) only as attackers are declared. Once Harbor Serpent is declared as an attacker, it will continue to attack even if the number of Islands on the battlefield falls below five.
Harbor Serpent's abilities care about lands with the land type Island, not necessarily lands named Island.
Legality follows the dated Scryfall catalog snapshot.
For draft and prerelease, check the event’s release and rules. Missing statuses stay unavailable.
Official Magic rules| Format | Status |
|---|---|
| Standard | Not legal |
| Pioneer | Not legal |
| Modern | Legal |
| Legacy | Legal |
| Vintage | Legal |
| Commander | Legal |
| Oathbreaker | Legal |
| Alchemy | Not legal |
| Historic | Not legal |
| Brawl | Not legal |
| Comp. Brawl | Not legal |
| Timeless | Not legal |
| Pauper | Legal |
| Duel | Legal |
For draft and prerelease, check the event’s release and rules.
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About this printingSet, collector number and language identify this edition. Reference prices are dated snapshots, not live offers or stock. Checked dates show successful price checks; Catalog dates show imported prices. Refresh due means an update is due. USD references come from TCGplayer; EUR references come from Cardmarket, via Scryfall. Missing prices are unavailable.
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