While Jigglypuff buys you time, Trainer cards like Poke Ball and Professor's Research help you find the necessary cards to set up your Wigglytuff ex or Hypno
the second is that there's no 'once per turn' limit or other tax on his draws
If you have foes playing with any sort of Blue creature, than this will seriously ruin their day
Removal, efficient creatures, and resource denial define it
That deck really wants to max out on ways to cycle creatures into the graveyard, so it's unlikely the deck wants this, but hey, maybe it gets tried as an alternate win condition if the Drannith Stinger plan doesn't pan out
If you're curious which cards are in highest demand right now, either to cash in or just to see what the hype is all about, we've broken down the top 12 best-selling Final Fantasy cards based on data from trusted marketplace TCGPlayer