Until end of turn, whenever a player is dealt damage, if you have 16 or more life, unless you control three or more Devils, damage can’t be prevented until end of turn.
Ancient Madness {R} |Instant| Draw a card, then discard a card. / Until end of turn, whenever a player is dealt damage, if you have 16 or more life, unless you control three or more Devils, damage can’t be prevented until end of turn.