Ravnica's Rivera

This card can only be attached to a {u} land.
Discard your entire hand. You draw two cards for
your draw phase as long as this card or target
enchantment are on the field. Your opponent may
destroy 2 of their land to destroy this card.
"The rivers of Ravnica are often used for
transport, and known for their beauty."
- Ravnica Tour Booklet, Volume 3