Biorhythm [Ninth Edition] Battle for Zendikar you may pay {1} any

you may pay {1} any time you could cast an instant

Set: Core Set 2019 Prerelease Promos Type: Legendary Creature — Elder Dragon Rarity: Mythic Cost: {4}{W}{U}{B} Flash

Your opponents can't gain life

−6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}

Set: Commander's Arsenal Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {3}{R} {T}: Destroy target creature of your choice

Biorhythm [Ninth Edition] Battle for Zendikar you may pay {1} anySet: Ninth Edition Type: Sorcery Rarity: Rare Cost: {6}{G}{G} Each player's life total becomes the number of creatures they control. "I have seen life's purpose, and now it is my own." Kamahl, druid acolyte