Kelsien, the Plague

Kelsien, the Plague

Legendary Creature - Human Assassin | Power/Toughness: 2 / 2 (CMC 3)
Vigilance, haste
Kelsien, the Plague gets +1/+1 for each experience counter you have.
{T}: Kelsien deals 1 damage to target creature you don't control. When that creature dies this turn, you get an experience counter.