Raging River (Retro) [30th Anniversary Edition] WTR188-C "I'll teach you the leyline

"I'll teach you the leyline paratrigonometrics

You gain 1 life

no problem

defending player exiles the top twenty cards of their library

Metal Rarity: Holo Rare Retreat cost: Colorless

Raging River (Retro) [30th Anniversary Edition] WTR188-C "I'll teach you the leylineSet: 30th Anniversary 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.