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
The same is true if a prepared creature becomes a copy of something else, even if it's then a permanent without a prepare spell
The enchantment will make an extra token in your turn when they arrive for another red mana, and then the Boros colored legendary 4/3 will do that for legendary stuff that arrives, rather than all dorks
Every Secret Lair starts with its concept, Heggen explains, and from there we then look to the cards
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
It is crucial to choose the right Pokmon and Energy cards so that you can win the battle