Senescence Angel

Flying, vigilance, ward {p/r}{p/w}
Pay 2 life, {3}{p/r}{p/w}: Compleat 4 (This creature
becomes Compleated, put four +1/+1 counters
on it.)
If Senescence Angel is Compleated, it gains
lifelink and has "If you would gain life while your
life total is at or above your starting life total,
each opponent loses that much life instead."