Soulshriek

Instant

Target creature you control gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. Sacrifice that creature at the beginning of the next end step.

"The flesh is a casket for the soul."

—Shauku, Endbringer

John Bolton

Legalities

NOT LEGALStandard
NOT LEGALPioneer
NOT LEGALModern
LEGALLegacy
LEGALVintage
LEGALCommander
LEGALOathbreaker
NOT LEGALAlchemy
NOT LEGALHistoric
NOT LEGALBrawl
NOT LEGALTimeless
LEGALPauper
NOT LEGALPenny