Gleaming Rejuvenation

Convoke
{t}: Add X white mana, where X is the amount of
mana and creatures tapped to cast this spell
plus 1.
{1}{w}{w}{w}{t}: Put a +1/+1 counter on each
creature with Deathtouch, Double Strike, First Strike, Flash, Flying, Haste, Hexproof, Indestructible, Lifelink, Menace, Reach,
Trample, and Vigilance. You gain life equal to as
many +1/+1 counters were put on creatures you control this turn.