From The List & Mystery Booster
You may exile a red card with converted mana cost X from your hand rather than pay Blazing Shoal's mana cost.
Target creature gets +X/+0 until end of turn.
Artist: Glen Angus
Card ID: 91982
A rare Instant - Arcane from Betrayers of Kamigawa
A rare Instant - Arcane from The List & Mystery Booster