Swarm of Bloodflies | Creature | Insect | 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. | Marco Nelor
Mardu Roughrider | Creature | Orc Warrior | Whenever Mardu Roughrider attacks, target creature can't block this turn. | Kev Walker
Armament Corps | Creature | Human Soldier | When Armament Corps enters the battlefield, distribute two +1/+1 counters among one or two target creatures you control. | Steven Belledin
Sultai Soothsayer | Creature | Naga Shaman | When Sultai Soothsayer enters the battlefield, look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard. | Cynthia Sheppard