Bishop, Man out of Time

Cumulative upkeep {2}(At the beginning of your upkeep, put an age counter on this permanent,
then sacrifice it unless you pay its upkeep
cost for each age counter on it.)
{w}{w}: Prevent all Damage A source would deal
this turn.
Because being a mutant is a constant fight to
stay alive.
•Bishop, Bishop: War College Vol 1:1