Sam, Tired Druid

+2: Prevent the next 5 damage that would be dealt to any number of creatures you control. Gain life equal to damage prevented this way.
-2: Up to three target creatures gain vigilance and may attack as though they didn't have defender. They deal combat damage equal to their toughness.
-7: You get an emblem with "At the beginning of your upkeep each player exiles a permanent they control. You may cast spells exiled this way for free