Thelonite Hermit: goes with anything dropping Saproling tokens, and then goes with anything that helps with counters on your creatures or gives you benefit because you have counters on your creatures
Once a player has chosen not to reveal a companion, that player cant change their mind
She could come in clutch sometimes even early in the game paired with Battle Compressor, that usually is key for thinning cards you dont need in that specific match
Of course, the SIR Eeveelution cards from the newest Pokmon set go for higher prices still, but it's notable how many other cards from this expansion, whose names don't end in '-eon' have also been soaring in value
With discard plus mill and life loss, it steadily drains resources
I love the way this allows you to get card draw, especially since White is not always a particularly great color for card advantage, and then rewards you for cycling as well through the +1/+1 counters