I think theres more black than blue, but it still may only be a sideboard card at best, unless something more dedicated like the first deck here, pans out.
While none of her abilities are incredibly explosive, Greta brings a lot of variety to a food-focused deck through optional draw and counters, and generating a food token on ETB keeps your cakes and pies piled high
Badgermole Cub Badgermole Cub is seeing play across multiple formats as a way to generate a lot of mana early in the game
As long as enchanted creature is face down, it can't be turned face up
If you do, create a number of 1/1 white Human Soldier creature tokens equal to its toughness
Thats all more than enough to win the game with one or two attacks, but it even shuffles itself back into your library if it ends up in your graveyard, which is a nice little bonus