Eda, One with the Curse

Reach, Trample
Whenever another creature enters the
battlefield under your control, put X +1/+1
counters on it, where X is its power.

Plot {3}{g} (You may pay {3}{g} and exile this
card from your hand. Cast it as a sorcery on a
later turn without paying its mana cost. Plot
only as a sorcery.)