It just sits on the battlefield growing absolutely everything, and if your opponent can't deal with it in a turn or two, they'll have already lost
They've got a few Pokball-esque designs to choose from, each of which costs $19 and represents different sets of Pokmon: Bulbasaur / Squirtle / Charmander / Pikachu Chikorita / Totodile / Cyndaquil Treecko / Mudkip / Torchic Sylveon / Skitty / Jigglypuff They also offer a 720-card version in case you plan on doing some serious trading.
Bandai has been more conservative with English reprints compared to Pokmon, which means sealed product from the first few English waves has held value better than equivalent Pokmon sets at the same lifecycle stage
This means that the card will be weak to other Water-type cards if you happen to play the trading card game
Kenrith, the Returned King Kenrith, the Returned King is a true jack-of-all-trades and one of the most powerful combo pieces available in 5-color decks
SGC has a clear advantage here, with a standard turnaround time of 5-10 days compared to the average 45 offered by most sites