Plus, when you consider most equipment requires both an upfront cost and an equip cost to attach it to a creature, this sword is actually quicker than many others
Add in its adventure, Expensive Taste, and this card gets even better
Tap Krenko, make eight Goblins, lose 16 life please

Acornelia, Fashionable Filcher Armix, Filigree Thrasher Ashcoat of the Shadow Swarm Ashcoat of the Shadow Swarm Bane of the Living Battle at the Bridge Black Sun's Twilight Blight-Breath Catoblepas Bloodthirsty Ogre Call for Blood Cemetery Desecrator Chainer's Torment Chill Haunting Chupacabra Echo Cloudkill Corpseweft Dead of Winter Death Wind Death's Approach Death's Shadow Deluge of Doom Drag to the Bottom Drana's Silencer Erebos's Intervention Essence Pulse Faerie Fencing Feeding Frenzy Festive Funeral Flesh Carver Flunk Foul Renewal Grim Hireling Gumdrop Poisoner Gumdrop Poisoner Hancock, Ghoulish Mayor Ichor Explosion Induce Despair Kagemaro's Clutch Kagemaro, First to Suffer Krumar Initiate Liliana of the Dark Realms Liliana, Untouched by Death Liliana, Waker of the Dead Lys Alana Scarblade Necropolis Fiend Necrotic Wound Nighthowler Nightmare's Thirst Nightmarish End Nightshade Assassin Nightshade Seer Nuclear Fallout Olivia's Wrath Pact Weapon Painbringer Planeswalker's Scorn Priest of the Haunted Edge Profane Command Profane Transfusion Promise of Power Putrid Cyclops Raffine's Silencer Reign of the Pit Retribution of the Ancients Scavenger Regent Scavenger Regent Scent of Nightshade Sickening Shoal Skullmane Baku Slice from the Shadows Specter of Mortality Spoils of Blood

Save it for a turn where it'll have an immediate impact