Gobbet, Harbor Rat

When Gobbet enters the battlefield, create a
1/1 black Rat creature token with "Whenever
this creature deals combat damage to a player,
they discard a card".
Whenever Gobbet deals combat damage to
a player, you create a Food token.
{b/g}, Sacrifice 2 Foods: Target Rat becomes a 4/4
Spirit with trample in addition to its other
types and abilities.