Extort was a good ability in Limited, never really saw play in Standard outside of a few incidental cards like Blind Obedience or Crypt Ghast, and is fantastic in EDH, since the ability scales up with the number of opponents
You first saw draft booster on packages during Zendikar Rising which introduced the set booster: Then the packs were further separated when Throne of Eldraine released the first collector booster: How Many Rares are in a Draft Booster
Ornithopter of Paradise Like Birds of Paradise, but more expensive
Those are just a few of the questions you might have asked yourself, and regardless of your conclusion, the issue is probably more complex than youd think
Regardless, these enchantments are all relatively easy to trigger for green, since it cares about big creatures, are cheap to buy, and require a moderate investment of mana