The Founding Seven

Partner with Dasol, Expedition Leader.
{1}{r}{w}: Create a colorless Fortification artifact
token named Fortress with "Fortified land is
indestructible," "Whenever fortified land
becomes tapped, target creature gets +1/+1 until
end of turn," and "Fortify {3}: Attach to target
land you control. Fortify only as a sorcery."
A new chapter of dwarven history begins
here. Strike the earth!