# 2009 Magic: The Gathering Magic 2010 #70

> The Serpent of the Endless Sea foil card from the 2009 Magic 2010 set offers a unique gameplay mechanic where its power and toughness scale with your island count. This foil finish distinguishes card #70 in the base checklist.

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## Identity

- **Year**: 2009
- **Brand**: Magic: The Gathering
- **Set**: Magic 2010
- **Card Number**: 70
- **Featured**: Serpent of the Endless Sea
- **Game**: Magic: The Gathering
- **Rarity**: Common
- **Mana cost**: {4}{U}
- **Type**: Creature — Serpent
- **Power / Toughness**: * / *
- **Color**: U
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

Serpent of the Endless Sea is a blue creature card from the Magic 2010 expansion, released in 2009. Identified by card number 70 and the set code M10, this common card features a foil treatment that enhances its visual presence within the base set. As a Creature — Serpent with a mana cost of {4}{U} and a mana value of 5, it serves a specific strategic role in gameplay by leveraging control of Islands to determine its power and toughness.

The card’s rules text dictates that its power and toughness are each equal to the number of Islands you control. This mechanic makes the creature increasingly formidable as the game progresses, provided the player has established sufficient land base. Additionally, the card includes a restriction that prevents it from attacking unless the defending player controls an Island. This design creates an interesting dynamic, forcing players to consider board state and opponent land distribution when deploying the serpent.

The Serpent of the Endless Sea is a Common foil card from the Magic 2010 set, identified by card number 70. The foil variant adds a distinct aesthetic to the card, appealing to those who appreciate the tactile and visual qualities of premium finishes. Collectors often build sets around specific themes, and this card’s scaling mechanic offers a engaging piece for decks focused on water-themed strategies or land-heavy archetypes. The card’s straightforward yet impactful abilities make it a recognizable and functional part of the M10 checklist. Whether integrating it into a broader collection or utilizing its unique rules for gameplay, the Serpent of the Endless Sea foil card remains a noteworthy component of the Magic 2010 era. Its enduring presence in the game’s history highlights the creative design philosophies of that specific expansion.

## FAQ

### What is the mana cost of Serpent of the Endless Sea?

The mana cost for Serpent of the Endless Sea is {4}{U}, giving it a total mana value of 5. This requires four generic mana and one blue mana to cast from your hand.

### How does the power and toughness of this card work?

The power and toughness of Serpent of the Endless Sea are each equal to the number of Islands you control. This means the creature grows stronger as you deploy more basic Island lands to the battlefield.

### Can Serpent of the Endless Sea attack freely?

No, this creature cannot attack unless the defending player controls an Island. This restriction adds a strategic layer to combat, as the serpent's offensive capability depends on the opponent's land distribution.

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Editorial content updated: 2026-10-01.

Site deployment: 2025-11-29.