To do this, commons like Goblin Medics (which deals 1 damage to any target whenever its tapped) and even Village Bell-Ringer (who has flash, and untaps all creatures you control when it enters the battlefield) will keep you from feeling like you're wasting all your creatures as, effectively, an alternate mana source
In Commander, its not quite the meta-warping powerhouse it was in Standard, but the sheer value it produces is simply too high to ignore for any self-respecting Goblin enthusiast
Spend a lot of mana, make a big threat, and gain another card in the process
Players start their journey with a Kanto Starter Card and an alternative art card
They appear occasionally in booster packs as a printing error or as "playtest" cards used by officially playtesting at Wizards of the Coast
Dark Confidant, sad to say, seems more like a liability than an asset