It cost four mana, which was a kinda annoying investment, and didn't do much beside amplify one of my burn effects

Chatterfang, Golgari goes Nuts Commander / EDH Aggro BG (Golgari) Combo Sacrifice Squirrel Tokens Weenie Creature (26) 1x Avenger of Zendikar 1x Beast Whisperer 1x Champion of Lambholt 1x Craterhoof Behemoth 1x Deep Forest Hermit 1x Deranged Hermit 1x Drey Keeper 1x Ivy Lane Denizen 1x Kodama of the East Tree 1x Meren of Clan Nel Toth 1x Mycoloth 1x Nut Collector 1x Ohran Frostfang 1x Pitiless Plunderer 1x Ravenous Squirrel 1x Scurrid Colony 1x Scurry Oak 1x Scute Swarm 1x Sheoldred, Whispering One 1x Species Specialist 1x Squirrel Mob 1x Squirrel Sovereign 1x Thunderfoot Baloth 1x Toski, Bearer of Secrets 1x Underworld Hermit 1x Zulaport Cutthroat Instant (8) Land (35) 1x Cavern of Souls 1x Command Tower 14x Forest 1x Gaea's Cradle 1x Llanowar Wastes 1x Overgrown Tomb 1x Prismatic Vista 1x Strip Mine 8x Swamp 1x Swarmyard 1x Twilight Mire 1x Urborg, Tomb of Yawgmoth 1x Verdant Catacombs 1x Woodland Cemetery 1x Yavimaya, Cradle of Growth Artifact (10) Commander (1) Enchantment (10) 1x Beastmaster Ascension 1x Doubling Season 1x Druid's Call 1x Earthcraft 1x Grave Pact 1x Oversold Cemetery 1x Parallel Lives 1x Squirrel Nest 1x Squirrel Sanctuary 1x Sylvan Library

(This also explains the demand for random Alpha and Beta cards.) The last notable set of cards from the Reserved List are the Dual Lands (or Original Duals)
The most important thing is that they help you close games in half the time, thanks to Fynns poison counters
While there are plenty of cards in the game that let you return creatures from the grave to your hand or to the battlefield, none let you do it on a consistent basis