Sylveon V delivers a joyful and colorful alternate art that captures the Pokmons playful charm
If you have cheap utility dorks and useful things to do with pointless bodies (such as Recurring Nightmare or equipment) then Skirsdag High Priest is a potent tool, if not he is liable to not do anything
Flying, deathtouch
I learned a lot about it by reading Jesse Mason, a self-titled game design critic who wrote comprehensive reviews of sets from other TCGs from a holistic perspective: looking at the themes and inspirations behind each set (or, to be more accurate, each block of sets), it's aesthetic, how the cards played both in Constructed and Limited (drafts are an important part of other games, unlike Pokmon), etc
Costly Plunder: Two mana for two cards and you can even gain something from dropping a creature in your graveyard or have an artifact you don't need as much
The 1st Edition and Shadowless versions, in particular, have increased dramatically in value due to nostalgia and limited editions