Manahive

Equivalent cards to Scampire (a red-black card that can repeatedly sacrifice itself for damage or value) include:

• Gutterbones (black; can return to hand, recurs from graveyard)
• Dreadhorde Butcher (black-red; deals damage when it dies)
• Footlight Fiend (black-red; can sacrifice itself to ping a target when it dies)

These all offer recurring creatures or sacrifice effects in red/black.