Raging River [Alpha Edition] Plant Wall When Swiftwater Cliffs enters the

When Swiftwater Cliffs enters the battlefield

Sacrifice Riptide Chronologist: Untap all creatures of the creature type of your choice

Set: Zendikar Prerelease Promos Type: Land Rarity: Rare Valakut

Set: Beta Edition Type: Instant Rarity: Rare Cost: {2}{U} Tap all lands target player controls and that player loses all unspent mana

where X is the number of Swamps you control

Raging River [Alpha Edition] Plant Wall When Swiftwater Cliffs enters theSet: Alpha Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Whenever one or more creatures you control attack, each defending player divides all creatures without flying they control into a "left" pile and a "right" pile. Then, for each attacking creature you control, choose "left" or "right." That creature can't be blocked this combat except by creatures with flying and creatures in a pile with the chosen label.