Swarmer Tunnels

You must pay {1} to play Swarmer Tunnels.
Swarmer Tunnels enters the battlefield
tapped.
{t}: Add one mana of any colour in your
commander's colour identity to your mana pool.
{t}: Create a 1/1 white Swarmer token.
During an unknown phase of their reproductive cycle,
some Glyphids dig holes in the walls of caverns and
lay easily-disturbed eggs.