Rebecca, Neuromancer Ph.D

Rebecca, Neuromancer Ph.D enters the
battlefield with 3 hypothesis counters.
{t}: Create a 1/1 white rat creature token and you
may remove a hypothesis counter from Rebecca.
{u}{t}: Experiment: Create a clue token and you
may remove a hypothesis counter from Rebecca.
Conclusion - When there are no more hypothesis
counters on Rebecca you may search your
library for a card and put it into your hand.
"Magic is only science most have not come
to understand yet!"