It worked perfectly with this card, so we decided to make a special exception (back in the day, we were more willing to put out-of-color abilities as a one-of on special legendary creatures)
I might be wrongthree-mana planeswalkers are always worth considering, and Tezzerator players are rightly excited about thisbut the 1RB mana cost is rough, the tokens cant attack, and the -1 ability doesnt provide any card advantage unless you want the artifact to be sacrificed for some reason
Grief will be played in most eternal formats, but it looks like commander crowd is not particularly big on this one
1 Haven of the Spirit Dragon
You're likely to find them in a white commander deck, or modern white deck
And it is typically based on changes in the game's balance or mechanics