Its still great, but its a bit harder to pass with 6+ mana up in Commander these days
The instant speed alone separates it from most tribal draw engines, and Convoke means you are often casting it for two or three mana with a full board
Unfortunately, the end result is so flat
While saccing life for mana can be a problem with other colors, Green has ample opportunities for life gain and uses for a lot of mana
This would be a good effect on its own but is made even better by both her color identity, as red and blue generally have a strong focus on casting, and her second effect, allowing her to exile and assign spells to attractions, copying them each time the player visits them
These are two of the Red legendaries this set: A pair of thieves who specialize in wrecking artifacts