Its second attack, Obsidian, is incredibly useful against other Stage 2 decks, as it can knock them out before they get set up, making it an incredibly strong option in the current format
And that's ok, as long as you're still a good sport
(6/16/2023) If you somehow control two copies of Gandalf the White, a legendary permanent or an artifact entering or leaving the battlefield causes abilities to trigger three times, not four
Decent under normal circumstances, but with Zimone on the field you probably have better than normal circumstances
If another effect modifies how much damage your red source would deal, including preventing some of it, the player being dealt damage or the controller of the permanent being dealt damage chooses an order in which to apply those effects