Fable of the Mirror-Breaker isnt technically a goblin, but the tokens it makes are absolute all-stars
(Bevy of Beebles) Backslide Bag Check Baleful Stare Ballad of the Black Flag Bane's Contingency Baral, Chief of Compliance Barrin, Tolarian Archmage Baxter, Fly in the Ointment Bearer of Overwhelming Truths Befuddle Behold the Multiverse Bellowing Crier Benthic Biomancer Benthic Criminologists Bespoke Battlewagon Betrayal Bewilder Bident of Thassa Bilbo Baggins, Burglar Bilbo, Luckwearer Birthday Escape Bitter Chill Blinding Spray
Cascade Spells Ardent Plea Bituminous Blast Bloodbraid Elf Captured Sunlight Demonic Dread Deny Reality Enigma Sphinx Enlisted Wurm Kathari Remnant Maelstrom Nexus Stormcaller's Boon Violent Outburst Besides Bloodbraid Elf being the end-all of Standard for a season, people haven't done very much with Cascade besides finding cards from the Ancestral Vision cycle
Hating on lifegain decks, this is a pretty sweet way to get some extra damage in to your opponents and close out games much quicker than you otherwise could
An amazing card, and one that can turn the tide when youre struggling to get damage through an opponents meaty blocker