Shepherd of the Lost [Zendikar] Dissension if that spell's mana cost

if that spell's mana cost or that ability's activation cost contains {X}

Set: Murders at Karlov Manor Type: Creature — Sphinx Detective Rarity: Mythic Cost: {5}{U}{U} Flying

Set: Outlaws of Thunder Junction: The Big Score Type: Artifact — Equipment Rarity: Mythic Cost: {3} Indestructible

And have your mom bail you out with purpose

−2: Look at the top three cards of your library

Shepherd of the Lost [Zendikar] Dissension if that spell's mana costSet: Zendikar Type: Creature Angel Rarity: Uncommon Cost: {4}{W} Flying, first strike, vigilance "Should you fall in the wilds, lift your voice to the Sky Realm. The one who answers will be your salvation." Emeria's Creed