Conduit Goblin is a common Creature — Goblin Warrior card from Modern Horizons 3 (MH3), collector number 179. Current market price: $0.10 (foil $0.23), TCGplayer market prices via Scryfall.
When this creature enters, you get {E}{E} (two energy counters). At the beginning of combat on your turn, you may pay {E}. If you do, another target creature you control gets +1/+0 and gains haste until end of turn.