Do you use your Leafeon competitively?
What kind of move set do you give it?
I use it, and it's awesome :)
It's moveset is: Leaf Blade, Synthesis, Aerial Ace, X-Scissor
It works very well for me :)
I go for the more direct route and bank everything on my stab.
Leafeon @Life Orb
Quick Attack, Leaf Blade, Swords Dance and Synthesis.
With just one Swords Dance, Leaf Blade already OHKO's most adversaries, though even at full power, steel and poison walls are a problem.