Relas, Lady of Ruin

Deathtouch, Haste
When Relas enters the battlefield, target player sacrifices a permanent.
When a creature would be put into a graveyard
from anywhere due to damage dealt by Relas,
that creatures controller takes damage equal to
the number of lands in their graveyard.
When a Land enters your graveyard from
anywhere, if Relas is also in your graveyard, you
may put her into your library second from the
top.