The good news is that all of the decks in the series are worth their price tag (assuming they again cost somewhere around $30, which again isn't guaranteed since there is no longer an MSRP), so it isn't so much that you shouldn't buy Fires Friends (even though it is the worst-rated Challenger Deck in the history of the series)
A more current cycle are the infinity stones, we have The Soul Stone, and The Mind Stone, but the rest remain in speculation
I will be testing it for sure and even if it isn't there it will certainly appear in those Intangible Virtue builds
Moggcatcher Moggcatcher is less efficient than Goblin Matron but has a pumped-up version of that effect, putting the goblin you tutor directly onto the battlefield
Here are some thoughts to consider, hopefully they help you identify your percentage: The odds that your opponent has a Blood Moon or Magus of the Moon in play on turn three is about ~29% (using this calculator)
Targeted discard answers hard-to-deal-with cards