Stithis, Twilight Harbinger

When Stithis, Twilight Harbinger enters the battlefield scry 3. You play with the top card of
your library revealed.
As long as a land card is revealed this way Stithis, Twilight Harbinger has vigilance and manace.
As long as a nonland card is revealed this way
Stithis, Twilight Harbinger has: "Sacrifice a
creature: draw a card"