When a Saproling deals combat damage to a player, you make that many 1/1 Saprolings creature tokens
If you want to learn more about the different type of cards and what everything on them means, I highly recommend you download and play the official Pokemon Trading Card Game Online, even if only for research purposes
One or two mistakes could be a misprint, but several may indicate something suspicious
It's also known to have some pretty atrocious pull rates, leading many collectors to nickname it "Evolving Cries" instead
Najeela, the Blade-Blossom Najeela, the Blade-Blossom is one of the strongest aggressive Commanders ever printed
You want to use it for the second mode, but the first is also good if youre building your combo up