Reach of the Bog

Sacrifice Reach of the Bog after it has X of any counter on it.
At the beginning of your upkeep step, put a rot counter on Reach of the Bog.
{u}{u}{u},{t}: Counter target spell with converted mana cost less than or equal to the amount of rot counters on Reach of the Bog.
{b}{b}{b},Sacrifice Reach of the Bog: Proliferate, than repeat this process for each rot counter on Reach of the Bog.