Like most Pokmon cards, the value of Ivysaur depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (POP Series 2)
Thanks to adaptations such as Master Duel and the evolution of the game itself, many new fans are coming in, and old fans are coming back
In fact, any of the following original Wizards of the Coasts sets make a great starting point: *All links in the bullet points below point to eBay* Are Newer Pokemon Cards Worth Collecting
Beedrill V #161 is a notable card from the Astral Radiance set, featuring Beedrill in a dynamic pose
While it may not kill folks immediately like a 13/13 will, in most games it gets turned on fairly quickly and provides a steady drip of life drain that will eventually knock people out of the game
Description: While your LP are higher than your opponents, if a Plant monster you control attacks, your opponent cannot activate monster effects until the end of the Damage Step