Ent of Burden

Defender
Ent of Burden comes into play with a sapling counter on it.
{t}: Put a sapling counter on Ent of Burden, you lose 1 life.
When Ent of Burden dies, put X 1/1 green Saproling creature tokens into play and gain X life, where X is the number of sapling counters on Ent of Burden.