# 2020 Magic: The Gathering Arena Beginner Set #104

> The Sentinel Spider card from the 2020 Arena Beginner Set. This uncommon green creature features vigilance and reach, making it a staple for new Magic: The Gathering players.

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## Identity

- **Year**: 2020
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Arena Beginner Set
- **Card number**: #104
- **Product type**: TCG_CARD

## Description

The Sentinel Spider card, numbered 104 in the 2020 Arena Beginner Set, represents a foundational element for players entering the Magic: The Gathering trading card game. Designed as an Uncommon green creature, this card serves as an accessible entry point into the game's strategic depths while maintaining a solid presence on the battlefield. With a mana cost of {3}{G}{G} and a mana value of 5, it requires a moderate investment of resources to cast, rewarding players who have established a stable green mana base.

As a Creature — Spider with 4 power and 4 toughness, the Sentinel Spider offers a balanced offensive and defensive profile. Its key mechanical contributions are vigilance and reach. Vigilance allows the card to block opponents' attackers without tapping, preserving its ability to attack the following turn, while reach enables it to block flying creatures, a common threat in the game. These abilities make it a versatile defensive tool that fits seamlessly into aggressive or mid-range green decks.

Created by artist Vincent Proce, the Sentinel Spider card is part of the Arena Beginner Set (set code ANB), a collection specifically curated to introduce new players to the core mechanics of Magic. The set includes simplified rules and curated deck options, making it ideal for those looking to learn the game without the steep learning curve of standard formats.

Whether you are building your first green deck or expanding your collection of Magic: The Gathering cards, the Sentinel Spider card offers both gameplay utility and collectible appeal. Its straightforward abilities and iconic spider design make it a memorable piece of the 2020 release. Adding this card to your collection allows you to engage with the game's rich lore and strategic possibilities from the very start.

## FAQ

### What is the Sentinel Spider card in Magic: The Gathering?

The Sentinel Spider is a green Creature — Spider card from the 2020 Arena Beginner Set. It has 4 power and 4 toughness and features the keywords vigilance and reach.

### How much does it cost to play the Sentinel Spider?

Playing the Sentinel Spider requires a mana cost of {3}{G}{G}, totaling 5 generic mana and 2 green mana. This makes it a mid-game threat that fits well in decks focused on green mana acceleration.

### Why is the Sentinel Spider good for beginners?

The Sentinel Spider is included in the Arena Beginner Set, which is designed to teach new players the core rules of Magic: The Gathering. Its simple abilities, vigilance and reach, help newcomers understand blocking mechanics and defensive strategies.

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Last verified: 2025-11-29.