40 cards where the date is equal to 2008 and the mana value = 6 and the cards aren’t reprints and the card types include “creature”

Sharding Sphinx (Shards of Alara #55)
Oona, Queen of the Fae (Shadowmoor #172)
Sharuum the Hegemon (Shards of Alara #194)
Midnight Banshee (Shadowmoor #72)
Flameblast Dragon (Shards of Alara #100)
Sedris, the Traitor King (Shards of Alara #193)
Deepchannel Mentor (Shadowmoor #35)
Wort, the Raidmother (Shadowmoor #223)
Orchard Warden (Morningtide #131)
Twilight Shepherd (Shadowmoor #25)
Broodmate Dragon (Shards of Alara #160)
Spitebellows (Morningtide #105)
Spirit of the Hearth (Eventide #14)
Witherscale Wurm (Shadowmoor #134)
Primalcrux (Eventide #73)
Mindwrack Liege (Eventide #104)
Rattleblaze Scarecrow (Shadowmoor #259)
Realm Razer (Shards of Alara #187)
Vein Drinker (Shards of Alara #91)
Salvage Titan (Shards of Alara #84)
Predator Dragon (Shards of Alara #109)
Thornwatch Scarecrow (Shadowmoor #265)
Grief Tyrant (Shadowmoor #189)
Roughshod Mentor (Shadowmoor #128)
Tar Fiend (Shards of Alara #89)
Nucklavee (Eventide #110)
Morselhoarder (Shadowmoor #212)
Impelled Giant (Eventide #58)
Bull Cerodon (Shards of Alara #161)
Inescapable Brute (Shadowmoor #95)
Valleymaker (Shadowmoor #221)
Floodchaser (Morningtide #34)
Steelclad Serpent (Shards of Alara #59)
Lunk Errant (Morningtide #94)
Trapjaw Kelpie (Eventide #164)
Ashenmoor Cohort (Shadowmoor #56)
Cavern Thoctar (Shards of Alara #125)
Woeleecher (Shadowmoor #27)
Undead Leotau (Shards of Alara #90)
Foxfire Oak (Shadowmoor #115)

The arc of my blade has carved a path of light to the end of these results.