Lilith, the Fire Hawk

{I}Looted —{/I} When this creature enters you may put a eridium counter on X creatures you control where X is the number of artifacts that left the battlefield this turn. Each other creature with a eridium counter on it have “{X}: this creature gets +X/+0 until end of turn.” Lilith, the Fire Hawk gets +1/+1 for each eridium counter on her.