New players and random casual players seem unlikely to spend $10 on one booster when they could be buying several cheaper boosters (or some sort of preconstructed deck product) for around the same price
Were actually relying on our opponents having access to creatures to attack our opponents with in the first place, so were relying more on Curse of the Swine and Reins of Power to get the job done
Then on arrival you'll mill 5, and then next turn you'll Splendid Reclamation and the last you'll pump a dork and give it trample equal to your land count- a win con too
However, there are restrictions: Characters cannot use their activated abilities on the turn they are played
Hee hee, look at that dumb-ass looking Orc Mechanic
In fact, if you were to employ this strategy at the Pro Tour, so long as you did a good job drafting, building your deck, and playing the games, you'd have a perfectly fine chance to do well