Squealing Devil

Creature - Devil 2/1, 1R (2)
Fear
When Squealing Devil comes into play, you may pay {X}. If you do, target creature gets +X/+0 until end of turn.
When Squealing Devil comes into play, sacrifice it unless {B} was spent to play it.
Illus. Matt Cavotta

Crystal Keep Rulings Summaries

• You choose the value of X and pay the mana during the resolution of the triggered ability. [Dissension FAQ 2006/04/13]
• Note - Also see Fear, Rule 502.25.
• Note - Also see If Was Spent, Rule 704.1.

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/9)	Dissension (Uncommon)