While many cards once offered a competitive advantage, they now act as collectors items to seek out and add to your growing list of rare and valuable finds
Secret Lair cards can only be purchased via Wizards of the Coast directly (unless you have a local game store who pre-order them to be stocked in store)
This is where you can buy a plethora of different items using either coins - the free currency earned by winning matches, completing daily quests and levelling up your Mastery Pass - or gems, which are mostly purchased with real money
And it should come as no surprise that goblins are a popular archetype in Commander
A 3-mana 3/4 is immense by blues standards and it comes with indestructible and some card draw to back up the pressure it provides
Consider that Bogardan Hellkite, perhaps the cheapest Mythic in existence, can be jammed alongside the likes of fellow hellkites like Hellkite Courser, Hellkite Tyrant, Thundermaw Hellkite, and honorary hellkite Stormbreath Dragon, for well under $100 is the type of Mythical budget I love to buy into