Vastmeadow Guardian

When Vastmeadow Guardian enters the battlefield, choose up to one target land. For as long as you control Vastmeadow Guardian, that land has "{t}: Add {w} to your mana pool."
Cycling {1}{w}
When you cycle Vastmeadow Guardian, lands
you control gain indestructible and "{t}: Add one mana of any color to your mana pool," until end
of turn.