A genuine ungraded copy in near mint condition would be worth anywhere around $10,000-$15,000 these days, while an extremely rare PSA 10 version would sell for upwards for $50,000 easily
Its all around a sweet little card, and one I always play in blue
Transforming it into a creature can be hard in non-snow decks (for obvious reasons), but Faceless Haven can prove useful as a creature thanks to its vigilance
Five Ancient Cookies: Legendary characters that form the core of your strategy
Invasion of Ikoria and Finale of Devastation vied for the final slot too, but ultimately Chords flexibility in finding combo pieces or protection at Instant speed outweighs the overrun and recursion utility of these spells, at least when were talking about whats an essential tool in a players collection
Innistrad: Crimson Vow Commander Decks