Queen of the Nile

When Queen of the Nile enters the battlefield,
gain 2 life.
Bolster: {t}, {b}{b} Target creature gain +2/+2
until end of turn.
If King of the Nile is also played, Queen of the
Nile gains +2/+2. If the king is destroyed,
remove the counter and the queen gains double
strike until end of your next turn