They certainly work well together by giving you the ability to play Welcoming Vampire and another creature in the same turn earlier than usual
We knew we wanted to include vampires, werewolves, and zombies
You can use a bunch of powerful stax pieces like Esper Sentinel, Rhystic Study, and Ghostly Prison to slow the game down until you assemble a combo with all the artifact tutors available in Azorius
While developing the card, Mike Turian changed it from to
Magic cards, although recently there has been a decline in paper quality, still maintain a higher quality than most fake cards
(6/16/2023) If a legendary permanent or an artifact entering or leaving the battlefield at the same time as Gandalf the White (including Gandalf the White itself) causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time