Ariel, Protector of Light

Flying, Vigilance, Lifelink
Whenever you gain life you may pay {x}{w}{w}
where X is the amount of life gained. Create one
X/X Angel creature token with Flying and
Vigilance. Ariel, Protector of Light loses lifelink
until the endstep of your next turn.
{x}: You gain life equal to the amount of {w} you
paid to activate this ability. Activate only if Ariel,
Protector of Light has lifelink.
"When she flies, she leaves a beam of light from
her path."