Sanctum of Destiny

Sunlight - This land gains "{t}: Add {w} or {u} to your mana pool." and "All creatures with a Sunlight ability you control get +1/+2 and gain vigilance.".
Moonlight - This land gains "{t}: Add {b} or {u} to your mana pool." and "All creatures with a Moonlight ability you control get +2/+1 and gain deathtouch.".
Will you follow Helios, or will Luna be your guide?