In fact, I would go so far as to say that at the moment I have no urge to upgrade it
Its efficient, basically always relevant against graveyard decks, and one of the best graveyard hate cards you can play, provided you dont care about your own graveyard
Theyre strongly related to mana production and creature numbers, and very strong cards like Rofellos, Llanowar Emissary, Leovold, Emissary of Trest, and Priest of Titania, not to mention the support like Gaea's Cradle or Craterhoof Behemoth
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Not Fun : This is usually reserved for older commanders who are seven-mana vanilla creatures, legendary creatures that arent meant for EDH, or are too salt-inducing for my taste
After Giada, it's a real metagame strategy that competes with the best