Rot Shambler | Creature | Fungus | Whenever another creature you control dies, put a +1/+1 counter on Rot Shambler. | Yeong-Hao Han
Skyrider Elf | Creature | Elf Warrior Ally | Flying
Converge — Skyrider Elf enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it. | Dan Scott