Spinal Centipede

A 3/2 for three that trades in combat is gone and forgotten; this one converts its own death into a permanent stat bump on something worth keeping. The counter outlives the body, which turns the Centipede into a delivery vehicle: you throw it into a block, feed it to a sacrifice outlet, or let a removal spell take it, and the value walks out of the graveyard attached to a survivor. The trigger's target clause is the detail that makes it clean: it can only find creatures you control, so there is no charity to opponents and no awkward forced payout beyond the dying body when the rest of your board is empty. It slots naturally alongside anything hungry for bodies to consume, since the death is the payment and the counter is the receipt, but it also works as a fair beater that refuses to die for nothing. The design answers a real weakness of cheap aggressive creatures: they stop pulling weight once combat math turns against them. This is a one-shot solution rather than an engine, though. The counter is a single parting gift, not a repeatable stream, so the Centipede pays out once and is spent. But leaving a survivor bigger on its way out is more than most creatures this size can claim as they die.