Its only gotten stronger over the years, with cards like Generous Ent to help smooth out the mana and keep the deck consistent
Illustrated by Pete Venters Part of the Reserved List Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
For two mana, you get a 1/3 Lizard Rogue that deals damage to every opponent each time you bring a creature into play
Just check out Paul Rietzls Rock deck from four years later: Creatures (16) Lands (22) Spells (22) 1 Umezawa's Jitte 4 Hymn to Tourach 2 Duress 1 Diabolic Edict 4 Dark Ritual 4 Sinkhole 2 Snuff Out 4 Thoughtseize Sideboard Still four Nantuko Shades, still four Hypnotics, and still four Sinkholes
The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard
The trouble is, in eternal formats, paying 3-life is often better than paying one extra mana, so unless your playing a deck that can put Flamekin Village into play untapped, it might just be worse in the format