One fan who runs a website dedicated to Pokemon trading cards tweeted that he called 25 locations to inquire about the limited edition cards, and all told him that the cards are only available with Happy Meal purchases
It helps with the rest of the gameplan as well, with creatures like Godo, Bandit Warlord or spells like Goldwardens Gambit or affects that do really quirky things like turn other artifacts into Equipment
No, they won't win a wrestling competition with an attacking Dragon, but they have various ways to bounce it (Harbinger of the Tides), shrink it to a manageable size (Serendib Sorcerer), send it elsewhere (Portal Mage), kill it (Terminate), and finally reanimate that pesky Dragon and make it punch its owner in the face (Puppeteer Clique)
You choose all of your modes at once
Above all, always remember that playing a land is a free action