흡혈충 떼 (Swarm of Bloodflies) (ko)
Creature - Insect
(CMC 5)
Flying
Swarm of Bloodflies enters the battlefield with two +1/+1 counters on it.
Whenever another creature dies, put a +1/+1 counter on Swarm of Bloodflies.
- [KTK] Khans of Tarkir #92 (U)