Andromeda, Born of Stars

Indestructible, Starbound (This creature can block creatures with flying and starflight).
Andromeda, Born of Stars's power and toughness
is equal to the number of Planets you control.
Phenomenon—Once per turn, flip a coin. If
heads, add mana in any combination of colors to
your mana pool equal to this card's toughness.
{t}: add two many of any one color to your mana
pool