They excel at creating food tokens, and the best Halfling decks take full advantage
As far as R&D is concerned, it is the theme discard cards that cause the most unhappiness as discard decks are one of the scary three (land destruction, permission and discard) that tend to keep people from playing the game and thus tend to annoy players at a much higher level than other decks
Even without adding in any landfall or other mana-based combos, simply playing a fetch land like Evolving Wilds or Terramorphic Expanse will instantly transform Tifa Lockhart into a 4/4 creature with trample
A 3/2 hits really hard and trades off with a lot of creatures in combat, and a few early surveils help to set up your early turns
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Avatar Aang // Aang, Master of Elements: An ability that triggers "whenever you waterbend" triggers whenever you pay a waterbend cost, regardless of how you paid that cost
Starter decks are relatively inexpensive considering their contents when they can be found at MSRP, making them a much easier way to start playing than building a deck purely out of booster packs or aftermarket singles