As long as this creature is attacking, it gets +2/+0. Pay 4 life: This creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Flying, vigilance, lifelink

Flying, first strike

As this creature enters, choose another creature you control. Sacrifice this creature: The chosen creature gains indestructible until end of turn.

Flying Lifelink (Damage dealt by this creature also causes you to gain that much life.)

When this creature dies, create a 1/1 white Soldier creature token with lifelink.

At the beginning of each combat, creatures you control gain first strike until end of turn if a creature you control has first strike. The same is true for flying, deathtouch, double strike, haste, hexproof, indestructible, lifelink, menace, reach, skulk, trample, and vigilance.

Flying, double strike

Choose one or both — • Target Human creature you control gets +1/+1 and gains indestructible until end of turn. • Target non-Human creature you control gets +1/+1 and gains indestructible until end of turn.