Nephthys, the Sacred Flame

As an additional cost to cast this card, exile
any number of creatures you control. Nephthys the Sacred Flame enters the battlefield with X +1/+1 counters on it where
X is the number of creatures exiled this way. Nephthys the Sacred Flame gain abilities based on the number of creatures exiled by its
effect—
• 0 or more: Flying, trample, haste.
• 2 or more: First Strike, lifelink, vigilance.
• 4 or more: Indestructible, hexproof.