Bilbo, Baggins Timid Hobbit

Whenever Bilbo, Baggins Timid Hobbit or
another legendary creature enters the battlefield
under your control create a food token.
Sacrifice a food: add one mana of any color, use
this mana only to cast creature spells, then if that
spell is legendary Bilbo gets +1/+0 until end of
turn.
When a creature delt damage by Bilbo dies,
transform him.