Steamflogger Flameforger

Haste
Other Rigger creatures and Contraption artifacts you control have haste and their activated abilities cost {r} less to activate. This effect can't reduce the amount of mana an ability costs to activate to less than one mana.
{x}{r}{r}, {t}: Assemble a Contraption with converted mana cost X or less. Steamflogger Flameforger deals X damage to you.