Mayhem Devil #28 – Secret Lair Showdown (Promo)

Magic: The Gathering · Secret Lair Showdown · Promo

Mayhem Devil #28 Price

Mayhem Devil (#28, Promo) from Secret Lair Showdown is worth $1.52 to $9.82 in Near Mint condition on TCGplayer as of October 3, 2026, depending on the printing (Normal to Foil). On Cardmarket, Europe's main marketplace, the Foil sells for €3.05.

Near Mint · TCGplayer: $9.82
Near Mint · Cardmarket: €3.05
30-day change: −1.1%
Printings: 2

Scan it with TCG Vault

Mayhem Devil prices by printing

Near Mint market prices, updated October 4, 2026.

Printing	TCGplayer (USD)	Cardmarket (EUR)
Foil	$9.82	€3.05
Normal	$1.52	€1.07

TCGplayer market price and Cardmarket price for Near Mint English copies. They are two separate markets, so the euro figure is Cardmarket's own price, not a conversion of the dollar one. Source: TCGplayer, Cardmarket.

Card details

Set: Secret Lair Showdown
Card number: 28
Rarity: Promo
Released: February 17, 2023
Illustrator: Hisashi Momose
Power / toughness: 3/3
Type line: Creature — Devil
Rules text: Whenever a player sacrifices a permanent, Mayhem Devil deals 1 damage to any target.
Flavor text: Some kinds of trouble you just can't resist getting into.

Mayhem Devil: common questions

How much is Mayhem Devil #28 worth?

Mayhem Devil (#28, Promo) from Secret Lair Showdown is worth $1.52 to $9.82 in Near Mint condition on TCGplayer as of October 3, 2026, depending on the printing (Normal to Foil). On Cardmarket, Europe's main marketplace, the Foil sells for €3.05.

What set is Mayhem Devil from?

Mayhem Devil is card 28 in Secret Lair Showdown, released February 17, 2023. Its rarity is Promo. Illustrated by Hisashi Momose.

Is Mayhem Devil going up in price?

Over the last 30 days the Near Mint Foil price on TCGplayer moved from $9.93 (September 5, 2026) to $9.82 (October 3, 2026), a change of −1.1%. The 30-day low was $9.49 and the high $9.93.

How do I check what my Mayhem Devil is worth?

Scan it with the TCG Vault app on iPhone: it identifies the card from the camera in seconds and shows its current market price and price history, then keeps it in your collection so you can follow its value.