It's legendary so you can build around it, and its White's answer to Goblin Welder effects which tap to sacrifice an artifact to recur one
But Modern has changed, and so has Dredge
This is exactly why he still comes up in debates about the best planeswalkers in MTG, even when players argue he might be too oppressive for healthy gameplay
While this is great with powerful no-cost Suspend cards, it gets even more exciting with cards that give other cards Suspend
Enabling typal synergies is great, and even if you dont hit any its still a white Elvish Visionary, which is more than playable
In these, you can find five rare or mythic rares, as well as four uncommons and five commons, as well as one land