Zimone, All-Questioning One generic, one green, one blue legendary creature At the beginning of your end step, if a land entered the battlefield under your control this turn and you control a prime number of lands, create Primo, the Indivisible, a legendary 0/0 green and blue Fractal creature token, then put that many +1/+1 counters on it
BPhillipYork: Scry wedded to ring temptation is close to card draw off creatures entering the field, and fits in really well with things like Azorious flicker decks
You can grab the Gardevoir ex League Battle Deck to get started, but be warned: some cards in that box have rotated out, so you might want to customize your build a bit
The otter text manages to be more than flavor thanks to spellslinger enablers like Stormsplitter and Harnesser of Storms
Pokemon TCG has plenty of scalping issues
Of course, there are certainly plenty of bad cards