CollectorVision Part 8: The Sol Ring Benchmark — Testing Card Recognition on the Hardest Case

Sol Ring is ranked #1 on EDHREC — the most-played card in Commander, by a wide margin. It also happens to be one of the hardest cards for an image recognition system to get right. The reason is the artwork. The most common Sol Ring printing uses the Mike Bierek illustration, and Scryfall currently shows 43 Sol Ring prints sharing that artwork . C13, C14, C15, C16, C17, C18, C19, C20, C21, CMR,…