Outerworldly Riches

Discover (this spell {1} costs less to cast for
each Astronaut you control
For each Astronaut you control put a Money token with {t}: Sacrifice it, add one mana of
any color to your mana pool. Then you may
pay {x}{x} if you do Launch X (Put a 1/1 Astronaut creature tokens with Reach onto
the battlefield.