Ataraxia

At the beginning of your end step, if you didn't
attack with a creature, put a counter on Ataraxia
then scry x where x is equal to the number of counters on it.
Opponents must pay x per creature attacking you, where x is equal to the number of counters on Ataraxia.
At the beginnimg of your upkeep, if Ataraxia has
5 or more counters on it, sacrifice it, draw 2 cards
and gain 2 life.