While the Yuna example is a fun curio for the set, the other misprints are undeniably net negatives
However as an Enchantress deck we also get extra value from playing enchantment ramp that is normally overlooked but gets more powerful due to deck synergy: Font of Fertility, Trace of Abundance, and One with Nature are all excellent ramping enchantments
Creatures that return themselves to the battlefield for free are inherently powerful, so I dont want to write this off, but not seeing a good home has me suspicious
For most constructed decks, around 22 to 26 lands is common, though ramp spells or artifact cards that produce mana can change that number
Absolutely go ahead and enjoy your hobby
You get a guaranteed card plus a guaranteed extra land drop every single turn