While Bulbasaur might not be winning any tournaments on its own, cards like these are what keep the Pokemon TCG going
I've always been a fan of the destroy target tapped rather than untapped creature
Some of the other top decks in the format include Rakdos Sacrifice, Hidden Strings Combo, Azorius Control, Abzan Greasefang, Azorius Spirits, Mono-White Humans, Five-Color Midrange, Fires of Invention, and Indomitable Creativity
Any green deck worth its salt should have more than enough ramp to hit 9 mana before long, and tapping out for an entwined Tooth and Nail is guaranteed to make you a huge threat immediately
The Shoryuken ability is the interesting bit here: whenever Ken deals combat damage, you can play a sorcery with mana value equal or less than the damage dealt from your hand without paying its mana cost