Evixa, Night's Caress

Flying
{1}: Remove a presence counter from Evixa, Night's Caress.
{5}: Evixa, Night's Caress gains shroud.
At the beginning of each turn, put a presence counter on Evixa, Night's Caress. Then exile all permanents with converted mana costs equal to the number of presence counters on Evixa, Night's Caress until end of turn.