Jack Mehoff

At the beginning of your upkeep choose
Swampwalk, Deathtouch, Lifelink, Vigilance,
Indestructible, Undying, Hexproof, or Flying.
All Sliver and Boiler creatures get this effect
until your next turn.
All Boiler creatures get +2/+2.
All non Boiler creatures get -2/-2.