World Enchantment
At
the
beginning
of
each
player's
upkeep,
destroy
target
nonartifact
creature
that
player
controls
of
their
choice.
It
can't
be
regenerated.
"An immense river of oblivion is sweeping us away into a nameless abyss." —Ernest Renan, *Souvenirs d'Enfance et de Jeunesse*