Grass Memory flings for 50 power, a Memories item since Generation VII
PokéAPI item 912 of 2,223, Memories category, Items pocket
Effect, in PokéAPI's words
Grass Memory: “Held: Changes Silvally to its Grass form. Changes Multi-Attack’s type to Grass.”
Games
Grass Memory is listed in the text of 4 version groups, first in Generation VII
Game index by generation
IIIIIIIVVVIVIIVIIIIX
Named in
Sun and MoonUltra Sun and Ultra MoonLet's Go Pikachu and Let's Go EeveeSword and Shield