mtg cards with x cost Visions of Dominance - Innistrad: Midnight Hunt Commander #37 (English) double the value of X X | Unstable | Card

Illustrated by Tom Kyffin Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp

A non-foil source material card appears in every 1 of 24 Play Boosters

Since it's Simic (green/blue), you can easily ramp and get Vorel of the Hull Clade active early, so you can start taking advantage of it right away

In 2X2 limited, it finds Master of Cruelties and Ob Nixilis, Unshackled

Nibelheim Aflame is vulnerable to bounce and instant speed removal, but definitely worth the risk

By sacrificing Mausoleum Wanderer, its controller can counter target Instant or Sorcery spell unless the opponent plays X, where X is Mausoleum Wanderer's power