Your opponent might have an awkward draw and happen to lose to a big Demon or the combo, but it certainly isn't an easy or common route to victory
After a while, it may be hard to find Hourglasses directly, but that is when its time to put the Shop Tickets to use
Even so, you're going to have trouble digging up relevant Mercenaries from Magic's past, given the power discrepancies between the earliest and latest Mercenaries in the game
You want to use this when your opponent plays something big, expensive, and essential to their strategy, or at the very least save it until you're in a desperate position and need something to slow your opponent down
Now, we knew going in that this would be a smaller set due to product information released through retailers
If its just the cards youre interested in, your best option is a Booster Bundle