Four-mana ramp is a vacation

Surge's Spearow (83) #83Common $0.88 Spearow #92Common $0.70 Spearow #62Common $0.36 Spearow #94Common $0.55 Spearow #130Common $3.46 Spearow #81Common $0.79 Spearow #81Common $0.54 Spearow #61Common $0.39 Spearow #74Common $0.32 Spearow #62Common $0.38 Spearow #78Common $0.17 Spearow #65Common $0.15 Spearow #97Common $0.05 Spearow #145Common $0.22 Spearow #111Common $0.10 Spearow #21Common $0.12 Spearow #21Common $0.07 Spearow #55Common $0.18 Spearow #39Common $0.50 Spearow #45Common $0.35 Spearow #52Common $1.25 Spearow #66Common Spearow - 052/063 #52Common $0.09 Spearow - 074/063 #74Art Rare $2.24 Spearow - 102/132 #102Common $0.02 Spearow - 151/132 #151Illustration Rare $4.52 Spearow - 2007 (Jun Hasebe) #61Common $0.76 Spearow (Master Ball Pattern) #21Common $10.78 Spearow (Poke Ball Pattern) #21Common $0.30 Spearow (Master Ball Pattern) #21Common $10.78 Spearow - 151/132 #151Illustration Rare $4.52 Spearow #130Common $3.46 Spearow - 074/063 #74Art Rare $2.24 Spearow #52Common $1.25 Lt

With Crucible of Worlds being very powerful in lands matter, Omniscience being well played in decks favoring lots of high mana cost spells, and part of a few low-efficiency combos, overall, the mythics in the set hold a lot of value, and if you pull the right ones, make returns well worth it
These are the kinds of cards that pay off lifegain in Golgari, just like your commander
Recent sales have been hovering in the $60 to $65 range, though some trackers list it closer to $100, putting it in the mid-tier of the Chaos Rising Secret Rare cluster and within reach for collectors who got priced out of the Greninja cards