mtg commander's arsenal card list High-Value, Staple-Filled 2012 Commander Product Resurfaces sided Battle Marks TCGplayer - Magic: The Gathering

Finally, you can spend six loyalty to create a 6/6 Green Wurm token for each Land you control, which is by far the nicest

Calhoun - Marine Sergeant can be seen as almost like an inverse to Simba - Pride Protector

Sealed Deck Magic is all about creatures, so you'll want to play most of the cards in your colors that can get rid of your opponent's creatures

The wasteland is your oyster in the first ever Sci-Fi Magic set

Now if the UG lands player doesn't have a sufficient landfall threat on the board, he or she can still find value in returning their lands to hand, discarding them for value (maybe to Wild Mongrel, Noose Constrictor, etc., or Turntimber Sower, if not Trade Routes), and having options to re-play them for future landfall triggers or other shenanigans