"My general catch phrase is, 'The older, the rarer, the minter, the better.' And the Rocket set in high grade nicely fits that criteria." Brennesholtz is similarly optimistic about the set's future
I'm not sure if The Hobbit's dwarves will be Gruul or Boros, but even if it's the latter, a load of good, new, red dwarf cards could see this legend becoming much more popular
Special Summon the detached Xyz Material from your opponent's Graveyard to your side of the field.
We Have Reserves: Leo's emphasis on making the most of Allies means he also has plenty of people absorbing damage and horror in his place, making him among one of the most resilient Guardians (while having already 8 Health)
Its nice at removing age counters from creatures with cumulative upkeep, like Jotun Grunt, Sustaining Spirit, or the big one, Glacial Chasm
He can also almost always keep the Mine from destroying itself, since the only monsters hes playing are a trio of Inspector Boarder