Value depends on rarity, condition, demand, and the specific card rather than age alone
Like most of the Common adventure creatures, both sides of this look super underwhelming, but they do in fact often result in a 2-for-1, so its better than it looks Obviously, the idea is that her food token can help set her up later in the game, and the format has plenty of other Food around too so, casting the Poisoner and giving something -2/-2 until end of turn really isnt going to be that difficult
Eye of Ugin Eye of Ugin (better known as Cloudpost At Home) was banned several years after Cloudpost, at the end of Eldrazi Winter
Adding a Sorcery clause onto it slows things down even more
Natures Claim The king of efficiency, Nature's Claim virtually never trades down or even in mana
At that point, it will feel like it is impacting the board