8 cards where (the card types include “creature” and the card types include “legendary”) and the colors is BRU and the release year < 2008

Crosis, the Purger (Invasion #242)
Garza Zol, Plague Queen (Coldsnap #129)
Gwendlyn Di Corci (Legends #228)
Lord of Tresserhorn (Masters Edition #149)
Mishra, Artificer Prodigy (Time Spiral #243)
Nicol Bolas (Time Spiral Timeshifted #98)
Sol'kanar the Swamp King (Time Spiral Timeshifted #100)
Tetsuo Umezawa (Legends #262)

Though this query has ended, its relics still slumber in New Argive.