If you are a "kitchen table" player with a group of friends, try buying a complete playset of commons/uncommons for each set that comes out (4x of each card.) This will typically run around $20-30 on ebay and yet greatly expand your collection
Also, Goldspan Dragon is a great pick if the deck is based not on Dragons, but on tokens and artifacts in general, with Treasures being great options for sacrificing permanents or putting lots of artifacts onto the battlefield at once
If you do, create a 1/1 colorless Hero creature token and put X +1/+1 counters on it
While its stats may be underwhelming, the fact hat Eric can quest for two lore and provide reciprocal banishment is definitely interesting
Water Tribe Rallier
The event will be available from January 1, 2026, to January 11, 2026