There are 10 borderless Special Guests cards in total, and you find one replacing a common in 1.56% of Play Boosters
Because intimidate meant that a creature could only be blocked by an artifact creature or a creature that shared a colour with it, games including the intimidate keyword became very swingy
Regulation mark (single letter: F, G, H, etc.) 11

Wilds Unknown All Sets Sealed Products Vibes Birb & Pengu Legend of the Lils All Sets Sealed Products Sorcery: Contested Realm Gothic Dragonlord Sealed Products Bo Jackson Battle Arena Tecmo Bowl The Griffey Set Sealed Products Wonders of The First Call of the Stones Existence Sealed Products Flesh and Blood Mastery Pack Warrior Omens of the Third Age All Sets Sealed Products Star Wars: Unlimited Legends of the Force Jump to Lightspeed Sealed Products My Little Pony Friendship Begins Sealed Products CookieRun: Braverse Arena of Glory Age of Heroes and Kingdoms Sealed Products Supplies & More New Supplies Heavy Play Sleeves Deck Boxes Playmats All Supplies Lots & Collections Gift Certificates Digital Products Sell Your Cards Get Started Sell Magic: The Gathering Sell Riftbound Sell Disney Lorcana Sell Flesh and Blood Ship + Sell Events SCG CON Magic RCQ Search SWU Qualifiers Tournament Coverage Community Articles Deck Database MTG 2026 Set Schedule Commander VS The Spike Feeders Mirage Mirror Marvel Super Heroes Commander Non-foil - #206 Magic: The Gathering Mirage Mirror Marvel Super Heroes Commander Non-foil - #206 Magic: The Gathering $0.49 (You save ) Condition: (Required) Near Mint Played Heavily Played Quantity: Decrease Quantity of undefined Increase Quantity of undefined Add to Wish List Create New Wish List Related Products Mirage Mirror Quick view Choose Options Price: $0.85 - $0.99 View Details Mirage Mirror Quick view Choose Options Price: $0.85 - $0.99 View Details Mirage Mirror Quick view Choose Options $0.99 View Details Mirage Mirror Quick view Choose Options $0.99 View Details Mirage Mirror Quick view Choose Options $2.99 View Details Close

These cards would be treated the same as their Universes Beyond counterparts in terms of deckbuilding restrictions and naming rules, in a similar way to how Ikoria: Lair of Behemoth's crossover with the Godzilla franchise worked they are, for all intents and purposes, considered the same card as their Magic property versions