Angel of Eons

Flying, vigilance
Whenever a time counter is removed from a permanent you control, put a +1/+1 counter on
Angel of Eons.
Whenever Angel of Eons attacks, you may exile a
creature card from a graveyard. If you do, put a
time counter on Angel of Eons.
{3}{w}{u}{r}: Remove all time counters from
Angel of Eons. It gains indestructible until end
of turn.