Bayleef is card #9 of 132 in Mega Evolution (2025), a Common. At about $0.29 it is the #80 most valuable card in the set. In a Mega Evolution booster it turns up about once every 15 packs. It is one of 12 Bayleef cards printed so far.
2000Neo Genesis
2002Expedition Base Set
2006Dragon Frontiers
2007Mysterious Treasures
2011Call of Legends
2016BREAKpoint
2025Mega Evolution
2026Ascended Heroes

















See the full Mega Evolution card list
An ungraded Bayleef from Mega Evolution sells for about $0.29. A PSA 10 is worth more, roughly $1.01 by our estimate, and a PSA 9 around $0.58.
It is a Common, and it shows up about once every 15 Mega Evolution packs.
Yes, as a digital simulator. Holobrook lets you open Mega Evolution booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.