Selina, Time Bender

When Selina enters the battlefield, if she was cast,
untap up to 2 lands you control.
You have an additional upkeep step on your turns.
{6}{w}: Untap all creatures you control. There is an additional combat step after the next combat step. Activate only once per turn.
{6}{u}: Untap all lands you control. There is an additional main phase after the next main phase. Draw a card. Activate only once per turn.