Uncovered Secrets

Target opponent their hand. They loose
life equal to the mana value of each card
revealed this way. You choose one of those
cards. They discard it.
"We know the eminations aren't part of the
normal fabric of the plane; they're modified to fit
the needs of the so-called Guardians of Nemain.
Tracing them back to the origin, we get the entire
nest of them."