The Degeneracy Destroyer

Whenever a permanent is exiled he gains a +1 +1 counter. Whenever he attacks a player exile target nonland permanent that player controls until he
leaves the battlefield. Whenever a permanent is
exiled gain life equal to its converted mana cost.
If you have 10 more life than your starting life
total all your other creatures have training. When
he leaves the battlefield exile any number of
nonland permanents you control and return
them to the battlefield at the beginning of the
next upkeep.