+1 : Target opponent creates a 1/1 black Skeleton creature token with "When this creature dies, each opponent gains 2 life."

+1 : Roll a d20. If you roll a 1, skip your next turn. If you roll a 12 or higher, draw a card.

−6 : You get an adventuring party. (Your party is a 3/3 red Fighter with first strike, a 1/1 white Cleric with lifelink, a 2/2 black Rogue with hexproof, and a 1/1 blue Wizard with flying.)

Legalities

Rulings