Raging River [Alpha Edition] San Diego Comic-Con 2016 you may search your library

you may search your library for a basic Forest card

Enthusiasm is no match for preparation

Set: Rivals of Ixalan Prerelease Promos Type: Creature — Dinosaur Rarity: Mythic Cost: {6}{G}{G} Enrage — Whenever Polyraptor is dealt damage

Other Treefolk and Forests you control have indestructible

You choose a noncreature

Raging River [Alpha Edition] San Diego Comic-Con 2016 you may search your librarySet: 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.