green haste cards mtg o:haste c!g · Scryfall Magic: The Gathering Search Rules Text: Haste, Colors: Green,

I think its EDH usage is overstated and people have replaced it in their decks but maybe not their lists online, but I could be wrong

Altar of Dementia functions in a similar way, letting you sacrifice your Zombies to have your opponent mill cards

Therefore, you cannot use Fires to mutate for free

(A good test is if you would recognize the card if it were played across the table in a match against you.) This alter is probably a lot of fun for Commander or casual play, but its not something you can play in a tournament.

Emerald/Sapphire Starter Deck List Which Is The Best Azurite Sea Starter Deck

Note that this is a cast trigger not an ETB one, so it won't work with tokens