Séroth, Bastion of the Empire

Séroth, Bastion of the Empire enters the battlefield
tapped unless you controle five other plains
and/or swamp.

{t}: Add {w} or {b}.
{2}{w/b}{w/b}, {t}: Up to one target creature gain
Afterlife 2 until the end of the turn and up to one
another target creature gain Menace until the end
of the turn.