Tranquility Undisturbed

(As a Siege enters, choose an opponent to protect it.
You and others can attack it. When it it is defeated,
exile it, then cast it transformed [3 HP].
When this enters the battlefield create 3 food
tokens. While you control this Siege food tokens
you control have "When you sacrifice this token
deal 2 damage to target Siege".
Players create a food token for each 1 damage
they deal to this Siege.