Deathstar

As long as you control another creature,
Deathstar is a creature in addition to its other
types with power and toughness of 0/20, it is still
a Space Station. If a source with flying would
deal 1 to Deathstar, exile it.
{x}{t}:Create X 1/1 Tie Fighter creature tokens
with flying.
{x}{x}{t}:Destroy X lands.