38 cards where (the card types include “angel” or the card types include “vampire”) and the release year < 2000

Angelic Curator (Urza's Legacy #1)
Angelic Page (Urza's Saga #4)
Angelic Protector (Tempest #2)
Angel of Fury (Portal Second Age #7)
Angel of Light (Starter 1999 #1)
Angel of Mercy (Starter 1999 #2)
Archangel (Starter 1999 #4)
Arrogant Vampire (Portal #79)
Avenging Angel (Tempest #7)
Baron Sengir (Homelands #41)
Crovax the Cursed (Stronghold #55)
Fallen Angel (Classic Sixth Edition #127)
Gabriel Angelfire (Chronicles #76)
Guiding Spirit (Visions #131)
Herald of Serra (Urza's Saga #17)
Irini Sengir (Homelands #54)
Karmic Guide (Urza's Legacy #11)
Krovikan Vampire (Ice Age #141)
Melesse Spirit (Mirage #27)
Radiant, Archangel (Urza's Legacy #20)
Ravenous Vampire (Mirage #136)
Selenia, Dark Angel (Tempest #270)
Sengir Vampire (Fourth Edition #160)
Seraph (Fifth Edition #59)
Serra Advocate (Urza's Destiny #19)
Serra Angel (Fourth Edition #50)
Shauku, Endbringer (Mirage #142)
Skyshroud Vampire (Tempest #157)
Starlit Angel (Portal #30)
Sustainer of the Realm (Urza's Legacy #23)
Sustaining Spirit (Alliances #18)
Tormented Angel (Urza's Destiny #22)
Vampire Hounds (Exodus #77)
Voice of Duty (Urza's Destiny #23)
Voice of Grace (Urza's Saga #54)
Voice of Law (Urza's Saga #55)
Voice of Reason (Urza's Destiny #24)
Warrior Angel (Stronghold #24)

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