Ring of Nature's Beauty

This card is all colors. Ring of Nature's Beauty
enters the battlefield tapped.
When this artifact becomes tapped, you may tap another artifact you control. If you do, untap
target land you control. That land gets "{t},
Sacrifice this land: Add three mana of any colors."
{w}{u}{b}{r}{g}, {t}: You may exchange Ring of
Nature's Beauty with a land card in your hand, graveyard, or exile. Then untap that land. It gets
"{t}, Sacrifice this land: Add three mana of any
colors."