Stromkirk Lacerator

Haste, Flying
When Stromkirk Lacerator enters the battlefield, it deals 2 damage to target creature or player. If its madness cost was paid, it deals X damage instead.
Madness {x}{b}{r} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)