Assuming you're playing Type I rules (remember that Richard only lets you use cards legal in the format you're playing), then yes
Elspeth, Storm Slayer (Showcase) - $66.97 Spoiler alert, well be seeing Elspeth, Storm Slayer again on this list, but this showcase version of the Planeswalker is around $70 right now
This card can do some serious damage as a flier that continues to get stronger
Allowing artifacts to be returned from your graveyard following the demise of any of your opponents' creatures, Glissa can even then bring artifacts to your hand from the graveyard using her activated ability Additionally, Glissa comes packing two relevant combat keywords first strike and deathtouch
Bumbleflower, building up +1/+1 counters along the way, then watch the table crumble under your kindness! Squirreled Away: SQUIRRELS JUST WANNA HAVE FUNStock up on tokens, then spend your hoard to clean house with an army of squirrels Animated Army: BRING THE TABLE TO LIFEMake trash and smash all who stand in your way with the Racoon Bard, Bello, at your side
All of the rankings below are of course my opinion