If that doesnt sound too hot and youd rather sell directly to buyers, you can list the cards on online markets like TCGplayer, eBay, or the ChannelFireball marketplace
They make your Galvanic Blast go off better than a Bolt, too
Last Stand Last Stand from Amber is a two cost non-inkable Action card and is perfect for banishing a big opposing character or one that you cant take out in one go
You can opt for a more Voltron build (loading it with Auras, Equipment, and +1/+1 counters) or a more generic counters deck spreading +1/+1 counters to multiple different creatures to go wide
Plenty of options here, so many that you might not even need rares to get the job done
This monstrous Elk is an 8/8 creature that makes you the monarch when it comes into play