Once everything shakes out, I think the existence of this card will have big impact on the format even if it is not heavily played
If Adventures in the Forgotten Realms is glacially slow, so it could be playable, but this has trap written all over it
I think having a limited number of cards that can be face down creatures is a better experience overall, as you can make more informed decisions
These abilities are universally useful
Ashnod's Altar specifications: Pros No extra cost to Sacrifice a creature Two extra mana is an strong plus Cons Colorless mana only, unlike Phyrexian Altar Who doesn't love more mana
Arahbo, Roar of the World held fast as the face commander, letting you cast a free, Cat-specific Giant Growth once per turn