Dreadhorde Invasion (Promo Pack) [War of the Spark Promos]

Description

Set:	War of the Spark Promos
Type:	Enchantment
Rarity:	Rare
Cost:	{1}{B}

At the beginning of your upkeep, you lose 1 life and amass 1. (Put a +1/+1 counter on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
Whenever a Zombie token you control with power 6 or greater attacks, it gains lifelink until end of turn.