Artwork unavailableEnglish Oracle text
When an opponent casts a spell, if this permanent is an enchantment, it becomes a 4/4 Serpent creature with "This creature can't attack unless defending player controls an Island."
Cycling (, Discard this card: Draw a card.)
対戦相手１人が呪文を唱えたとき、仮装の大海蛇がエンチャントである場合、仮装の大海蛇は「このクリーチャーは、防御プレイヤーが島をコントロールしていないかぎり攻撃できない。」を持つ４/４の海蛇・クリーチャーになる。（これはエンチャントではなくなる。）
サイクリング（, このカードを捨てる：カード１枚を引く。）
A noncreature permanent that turns into a creature can attack, and its {T} abilities can be activated, only if its controller has continuously controlled that permanent since the beginning of their most recent turn. It doesn't matter how long the permanent has been a creature.
It changes into a creature even if the spell is countered.
It triggers when the spell is cast, which means it becomes a creature before that spell resolves.
When it turns into a creature, it is no longer an enchantment.
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 | Not 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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