Crayola Cretin

+2: Choose 1: Gain life equal to the number of opponents; 2 of your creatures gain haste until end of turn; deal 2 damage to any target.
-1: If you control less lands than an opponent, you may play an additional land this turn.
-10: You gain an emblem: At the beginning of combat on your turn, all creatures you control gain lifelink, double strike, and haste until end of turn.