Haywire Mite is a uncommon Artifact Creature — Insect card from The Brothers' War (BRO), collector number 199. Current market price: $1.30 (foil $3.14), TCGplayer market prices via Scryfall.
When this creature dies, you gain 2 life. {G}, Sacrifice this creature: Exile target noncreature artifact or noncreature enchantment.