Id wait until about a week or two after the set drops (when supply is the highest) and then trade for as many of these as you can
Your order will remain at the price it was when you made the purchase and THE PRICE WILL NOT INCREASE
Nesting Dragon ( F, DT, ETB, PF, C ) - Dragon Egg is just not worth a card, but that doesn't mean that it is entirely useless in a deck that cares about dragons entering the battlefield, total amount of dragons on the battlefield, or the amount of dragons attacking (well, when they hatch)
Not only that, but you're milling them for four each time, potentially hitting and exiling cards like Arclight Phoenix or Faithless Looting
An active Eye that sits in play for a couple of turns makes every follow-up instant and sorcery into 5+ spells in one
Falkenrath Noble [Vampire]: This is great in multiplayer because it can a creature from one opponent and you ping some other opponent