Zuurk. the Shadow Harvester

Vigilance, Double Strike, Flying, Infect, Haste
{b}: Zuurk gets +2/+0 until end of turn.
When Zuurk would deal damage to a player, add {b} for each 1 damage dealt instead. Use this mana only
to cast or activate abilities of Shades.
Shades you control have Skulk.
{b}, Pay 3 life: Each other Shade you control gets
-1/-0 until end of turn. The next time a Shade you control would deal combat damage, draw a card.
{0}: Phase out Zuurk.