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About This Card

The 2021 Secret Lair Drop features the powerful 9/9 Horror Arvinox, the Mind Flail. This foil mythic rare card introduces unique exile mechanics for Magic: The Gathering collectors.

Arvinox, the Mind Flail

2021 • Magic: The Gathering • Secret Lair Drop

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Market Value
Raw/Ungraded Market: $21.34
Updated 5 days ago
Based on TCGplayer Market (reference)Check Price Guide

Market & Price History

  • $21.34
    Source
    Guide Estimate
    Trend
    -3.5%
    Price Details

30-day Price History

Raw / Ungraded

TCGplayer Market (reference) · Guide Estimate evidence · captured Nov 6, 2026

Each point is the last stored observation that day for this printing, condition, grader, autograph status and source. Gaps mean no observation; guide estimates and asking prices are not completed sales.
Product Overview

Description

Arvinox, the Mind Flail stands out in the Magic: The Gathering universe as a formidable 9/9 Legendary Enchantment Creature — Horror. Released in 2021 as part of the Secret Lair Drop series, this card is identified by the SLD set code and card number 340. Designed by artist Isis, the foil mythic rare treatment enhances its visual appeal, making it a desirable addition for collectors focused on the Secret Lair subset. From a gameplay perspective, Arvinox offers a distinct strategic twist. The card remains a creature only when you control three or more permanents you don't own. Once on the battlefield, it exiles the bottom card of each opponent's library face down at the beginning of your end step. This mechanic allows you to cast permanent spells from among those exiled cards, paying mana costs in any color. This ability transforms the card into a powerful resource engine, allowing players to access opponents' libraries for permanent spells. For Magic: The Gathering enthusiasts, the Secret Lair Drop series represents a unique avenue for collecting distinctive cards outside of standard expansions. Arvinox, the Mind Flail is particularly sought after for its high power level and unique mechanics. Collectors often seek this card to complete their Secret Lair collections or to add a powerful horror-themed card to their library. The foil finish adds a layer of premium quality, appealing to those who value both aesthetic and functional card design. Whether you are building a competitive deck or expanding your collection of high-rarity cards, Arvinox, the Mind Flail offers a compelling blend of artistry and gameplay potential. Its presence on the battlefield can drastically shift the game's dynamics, making it a memorable piece for any Magic: The Gathering enthusiast.

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Product Specs

Card Details

The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.

Catalog Profile

The core identity of the card within the set.

Year

2021

Series

Secret Lair Drop

Card Number

#340

Featured Subject

The subject, team, league, and sport context tied to this card.

Game

Magic: The Gathering

TCG Attributes

Rarity, print treatment, and game-specific stats for this card.

Rarity

Mythic Rare

Artist

Isis

Material

Card Stock

Language

English

Finish

Foil

Mana cost

{4}{B}{B}{B}

Type

Legendary Enchantment Creature — Horror

Power / Toughness

9 / 9

Color

B

Card Text

Abilities, attacks, oracle text, and flavor text printed on the card.

Arvinox isn't a creature unless you control three or more permanents you don't own. At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells.

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FAQ

Frequently Asked Questions

What is the mana cost of Arvinox, the Mind Flail?

The mana cost for Arvinox, the Mind Flail is {4}{B}{B}{B}, resulting in a mana value of 7. It is a black-colored card that requires a significant investment of mana to cast.

How does Arvinox, the Mind Flail's exile mechanic work?

At the beginning of your end step, Arvinox exiles the bottom card of each opponent's library face down. You may then cast permanent spells from among those exiled cards, paying mana costs as though they were any color.

Who is the artist for the Secret Lair Drop Arvinox, the Mind Flail card?

The artist for this card is Isis. Her artwork complements the card's horror theme and is featured on this 2021 Secret Lair Drop release.

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