The Drifter

Whenever a non-token creature you control dies, put X mote counters on The Drifter, where X was that creatures power.
{r/g}{b/g}{t}, Remove all mote counters from
The Drifter: Create an 0/0 Taken Blocker creature token with Defender and put X
+1/+1 counters on it. Where X is the number
of mote counters removed this way.