While I was waiting for the auction to end, I did some research and came across a Facebook post on the subject
Secret Lairs are a small and specially tailored collection of cards with this particular release featuring beloved and classic Marvel heroes that include brand new creature cards for Captain America, Black Panther, Storm, Wolverine, and Iron Man all of which include the new Hero creature type
This makes it sort of a hybrid Flametongue Kavu and Mulldrifter
Magic: The Gathering | Avatar: The Last Airbender Release Notes Compiled by Eliana Rabinowitz Document last modified Date: June 2, 2025 PDF Download Links: English | Franais | Deutsch Italiano | Espaol | The Release Notes include information concerning the release of a new Magic: The Gathering set, as well as a collection of clarifications and rulings involving that set's cards
COLLECT SPECIAL TREATMENT CARDS Each deck also comes with a 2-card Collector Booster Sample Pack containing 2 alt-border cards from the Modern Horizons 3 set, including 1 Rare or Mythic Rare and at least 1 Traditional Foil card
