Why are mythic rare cards important in Commander
Foundations is a way for Wizards to put in mechanically unique cards as it doesnt have any set wide mechanics that we are used to with normal sets
I am going for a heavily thematic basis for this deck so I do want to have Akroma, Angel of Fury in there, even if she isn't super useful (EDH decks feel a bit like a place where all cool cards go for fun) but you have a point about the Fists of the Demigod and Riot Spikes
The latest iteration of the card is naturally far more readily available, typically selling for around $7.00, while older versions go for significantly higher prices
Cards are printed on a large scale
Sarkhan , Nahiri , Saheeli , Gideon , Elspeth , Ajani , and even the mysterious Wanderer are all jamming down with newcomers Guff and Vronos to control the direction of your Commander game