Chris, Dungeon Master

+1: Place a painted counter on target permanent. Create a 3/3 red Adventurer creature token with either first strike or hexproof.
-1: Roll a d20. If you roll a 1, skip your next turn. If you roll between a 12 and 19, draw two cards. If you roll a 20, draw three cards.
-7: Gain control of all painted permanents. Place X +1/+1 counters on each Adventurer token you control, where X is a d6 roll result.