Bumbleflower: Mana Drain: And Rhystic Study, but the card is more than a year since release, so keep that in mind: For almost all of these, we can see that the price starts out high, and then takes a dip, and then rises into the stratosphere
With Goldbug, Humanity's Ally you can protect your human creatures from being countered (with Goldbug, Scrappy Scout) or taking combat damage
They're also super strong - Minnie can banish an exerted character every time she quests and Mickey is really flexible - he can be small or big depending on how you play him
Not to mention some Griffins aren't mono-White, so they wouldn't qualify with Zeriam at the lead
However, the ability to put a card at the top of the deck gives you the ability to control your next draw and can be comboed with your cards