Hedron Detonator

The pinger and the sacrifice outlet living in the same body is the whole design conceit here. Most artifact-matters payoffs ask you to hoard: keep the tokens, keep the Treasures, keep the fodder around so the board grows. This Goblin instead wants a churning inventory, taxing an opponent one point at a time as each artifact arrives and then eating that inventory two pieces at a time for card advantage. The two halves want opposite things from the same resource: the ping rewards a high rate of artifacts entering, while the activated ability wants those artifacts to leave. Because the ping is an enter trigger, it has already fired by the time a piece hits the yard, so nothing is lost on that axis; what you spend instead is board presence and future fuel. A deck built around this has to manufacture artifacts faster than it consumes them, or the engine stalls on both ends at once. That is what marks it as a Treasure-and-token piece rather than a value permanent you sit behind. The first ability is passive and constant, chipping at a life total as a side effect of doing whatever you were already doing with fabricated artifacts; the second converts that same resource base into gas, exiling off the top with permission to play it that turn. Neither line is remarkable alone. Stapled together on a three-mana Goblin Artificer, they describe a very specific red aristocrats build: one that treats artifacts as ammunition on both ends, reach on the way in and refuel on the way out.