"Corts and the first attempt to colonize California." Calif Hist QJ Calif Hist Soc 53.1 (1974): 416
While not as potent as Super Energy Removal, both Crushing Hammer and Enhanced Hammer are extremely effective cards that can be run in low numbers thanks to Skyla
Decks that do free-equips are more likely to be invested in Double Strike, and therefore using treasure making equipment or Sword of Hearth and Home
We get all three Burmy (Sandy Cloak, Plant Cloak, and Trash Cloak) on a single card, which in and of itself is an awesome idea executed well with a terrific illustration
Both Level 6 Fiends can be used for most Rank 6 Xyz Monsters, and D/D/D Wave High King Caesar
The site also supports trading, so you can either trade a card directly (if the other player is online the same time as you) or via a public trade (where you state the card you're offering and the card you want in return, then wait for someone to take the bait)