Sheoldred, Whispering One [New Phyrexia] Avacyn Restored This noise is so loud

This noise is so loud it echoes through the trees and seems to come from all directions at once

Set: Zendikar Expeditions Type: Land — Swamp Mountain Mythic Cost: ({T}: Add {B} or {R}

Set: Limited Edition Alpha Type: Instant Rare Cost: {W} Target spell or permanent becomes white

or triggered ability

Sheoldred, Whispering One [New Phyrexia] Avacyn Restored This noise is so loudSet: New Phyrexia Type: Legendary Creature Praetor Mythic Cost: {5}{B}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature.