Orcish Spy is just a 1/1 for one, and while it has an ability, not only is it an ability that does nothing (you look at the top cards of someone's library and put them back in the same order ), but the ability also requires Orcish Spy to tap, which is exactly what you want to be doing in your curve-out Mono-Red Aggro deck
You can also leverage go-wide Artifact Aggro cards, like Chrome Dome and Steel Overseer, to really put pressure on your opponents
It is crucial to choose the right Pokmon and Energy cards so that you can win the battle
The bad part is that most of the time Sneak Attacking a creature doesnt let you add to the board permanently, and if you dont have some board presence youre probably still going to lose
Not only does it give you a big creature and potentially draw you a card like the rest it also wipes the board, something thats extremely important in games of Commander
Every Secret Lair starts with its concept, Heggen explains, and from there we then look to the cards