# 2020 Magic: The Gathering Arena Beginner Set #31

> The 31st card in the 2020 Arena Beginner Set, Riddlemaster Sphinx is a six-mana Rare creature designed to challenge opponents with its flying ability and board control.

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## Identity

- **Year**: 2020
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Arena Beginner Set
- **Card number**: #31
- **Product type**: TCG_CARD

## Description

Released in 2020 as part of the Arena Beginner Set, the Riddlemaster Sphinx serves as a key introduction to the strategic depth of Magic: The Gathering. The card is a six-mana creature with a mana value of 6, requiring significant resource investment to cast but offering substantial return on that investment.

The Riddlemaster Sphinx is defined by its ability to control the board state. Its flying keyword allows it to attack safely, bypassing most ground-based defenses. Upon entering the battlefield, it offers a powerful interaction: you may return a target creature an opponent controls to its owner’s hand. This ability provides immediate board presence and forces opponents to reconsider their plays, making it a memorable tool for new players learning to counter aggression.

Collectors of Magic: The Gathering often seek out cards from the Arena Beginner Set for their historical significance in bringing the digital platform to a wider audience. The Riddlemaster Sphinx, with its classic Sphinx subtype and straightforward rules text, represents the educational intent of the set. It is frequently referenced by fans of the game for its role in teaching core mechanics like flying and targeted removal. For those building a collection of iconic creatures or exploring the history of digital card game expansions, this card remains a notable entry in the 2020 release. Its design and function encapsulate the strategic tension between resource management and immediate impact that defines the game.

## FAQ

### What is the mana cost of Riddlemaster Sphinx?

The Riddlemaster Sphinx has a mana cost of four generic mana and two blue mana, totaling a mana value of 6.

### What abilities does the Riddlemaster Sphinx have?

This card has the flying ability and an enter-the-battlefield effect that allows you to return a target creature an opponent controls to its owner's hand.

### Which set does the Riddlemaster Sphinx belong to?

It is card number 31 from the Arena Beginner Set, released in 2020 for Magic: The Gathering Arena.

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Last verified: 2025-11-29.