The reason Omens shuffle themselves into your library was to allow the designers to make the Dragons stronger, which is important in a set about Dragons
Otherwise it's a 2/2 flyer that can quickly get out of hand with pump, and gain lifelink
Provide a detailed description of the card, including its name, set, condition, notable features, and PSA grade (if available)
First edition Pokmon cards are the very first version ever released, which makes them much more valuable than later iterations
Choose based on your goalsliquidity, prestige, or aesthetics
Rebbec could use some protection and it shouldn't be too hard to get an assortment of mana rocks and equipment out to cover most low-CMC slots