Luna, Celestial Stargazer

Defender, Lifelink

Starry Form - At the start of each combat, you may pay {w}{w}. If you do, target creature gains indestructible until end of turn.

Cosmic Omen - At the start of each opponents first main phase, you may look at their hand. If you don't, put a +1/+1 counter on Luna. If you do, choose a card from among them. Until that players next upkeep, you and permanents you control can not be targetted by the chosen card.