Fertilize
Normal moves become Grass. Grass moves are empowered.
5 species 3 as main 2 as innate 6 battle AI weight, −2 to 10 — 6 is the untouched default
In detail
Changes the user's Normal-type moves to Grass-type. If the user is Grass-type its Grass-type moves heal for 10% of damage dealt, otherwise it gains Grass STAB.
Types that carry it
5 species Fire 3 Grass 3 Fighting 1 Ghost 1
As a main ability
3 speciesSelectable — one of up to three, and only one is active.
As an innate
2 speciesAlways on, alongside whichever main ability is chosen.