Brew the Poxes

Formula (if Skrolk, Disease-That-Walks, is commander, this card is always in the command zone)

Tap this to sacrifice a creature, land, or 2 life to gain 1 Putrid mana. If you sacrifice a creature with the class Plague Monk or total size higher than 6, give a creature the Wither keyword or make a creature take 2 Lifelink damage at the owner’s upkeep step (lifelink goes to caster).

“The Horned Rat brings to us a new Holy Plague!”
—The Arch-Plaguelord Nurglitch IV, as he brandishes a vi