Bird Nest

Defender
When Bird Nest enters the battlefield with x egg counters on it an when Bird Nest enters the battlefield create a 1/1 bird creature token with
flying. Bird Nest's toughness is equal to the
amount of egg counters plus one on it.
{2}{w}{t} Remove an egg counter from Bird Nest
create a 1/1 bird creature token with flying.
When Bird Nest dies create X 1/1 bird creature
token with flying, where X is it's toughness.