I would have to respectfully disagree that its not the sellers responsibility
Its a singleton format, so you cant include more than one copy of any non-basic land card, unless a rule says otherwise
Everything in the lair is themed around tomb raiding, and lots of it is valuable: Search for Azcanta, Anger of the Gods, Bow of Nylea, Shadowspear, Academy Ruins Through the Wormhole - The cards in this Secret Lair aren't particularly valuable, but the contents - Lightning Greaves, Arcane Signet, Sol Ring, Thought Vessel, and Command Tower - are a complete playset of Commander essentials, in a beautiful and consistent art style by Dani Pendergast
Blue can cantrip its way to enabling Storm of Saruman on each opponents turn
The original 1998 Pokemon cards Classic 1999 expansion set Dark Pokemon theme set First Gold & Silver era set Rare shadowless variants First edition premium cards Modern high-value set Shiny Pokemon collection Celebrations #1/25 Celebrations #2/25 Celebrations #3/25 Celebrations #4/25 Celebrations #5/25 Celebrations #6/25 Celebrations #7/25 Celebrations #8/25 Celebrations #9/25 Celebrations #10/25 Celebrations #11/25 Celebrations #12/25 Celebrations #13/25 Celebrations #14/25 Celebrations #15/25 Celebrations #16/25 Celebrations #17/25 Celebrations #18/25 Celebrations #19/25 Celebrations #20/25 Celebrations #21/25 Celebrations #22/25 Celebrations #23/25 Celebrations #24/25 Celebrations #25/25
Before you leave, though, give me half a paragraph to make the case to you that underrated discard outlets ARE the best outlets because it's more fun to use a card that's either uniquely good in your deck or that your tablemates will have to pick up and read