Defender, flying (This creature can't attack, and it can block creatures with flying.) Art by Mark Tedin
Getting other players to bid on the chance to copy your card and gaining life and Treasures can leave opponents heads spinning
While every new commander precon from Wizards brings with it its own share of original cards, this new Universes Beyond product pushes things a bit further, with 41 new mechanically unique cards for each deck
Some experts are bullish about the market, with pandemic-induced nostalgia and the online unboxing craze making trading cards very desirable right now

Printings not found: Anger (CMT), Arcane Denial (CMT), Bathe in Light (CMT), Boros Guildmage (CMT), Borrowing 100,000 Arrows (CMT), Cleansing Beam (CMT), Congregate (CMT), Control Magic (CMT), Curse of Inertia (CMT), Curse of Predation (CMT), Curse of the Forsaken (CMT), Darksteel Mutation (CMT), Death by Dragons (CMT), Deceiver Exarch (CMT), Diabolic Tutor (CMT), Diviner Spirit (CMT), Dragon Whelp (CMT), Duergar Hedge-Mage (CMT), Evincar's Justice (CMT), Furnace Whelp (CMT), Gwyllion Hedge-Mage (CMT), Hada Spy Patrol (CMT), Krosan Grip (CMT), Leafdrake Roost (CMT), Leonin Bladetrap (CMT), Lightkeeper of Emeria (CMT), Mortify (CMT), Mother of Runes (CMT), Oni of Wild Places (CMT), Orim's Thunder (CMT), Orzhov Guildmage (CMT), Path to Exile (CMT), Pilgrim's Eye (CMT), Presence of Gond (CMT), Pyrohemia (CMT), Razorjaw Oni (CMT), Restore (CMT), Return to Dust (CMT), Selesnya Charm (CMT), Selesnya Guildmage (CMT), Serra Angel (CMT), Shattered Angel (CMT), Skyward Eye Prophets (CMT), Soul Snare (CMT), Stonecloaker (CMT), Sulfurous Blast (CMT), Swiftfoot Boots (CMT), Sylvan Reclamation (CMT), Syphon Flesh (CMT), Syphon Mind (CMT), Terminate (CMT), Thornwind Faeries (CMT), Thunderstaff (CMT), Vow of Duty (CMT), Vow of Lightning (CMT), Vow of Malice (CMT), Wash Out (CMT), Winged Coatl (CMT), Wonder (CMT), Wrecking Ball (CMT).

It's also important to note that older versions of a legal card might not have the right regulation mark, but they are still legal to play