At least Teferi, Ender of Friendships could be used, in theory, for something else, (even if no one actually does in real life.) Here, we all know what's about to happen
this was a design mistake through and through
If you play a special energy build in its place, I obviously wont fault you, but especially the recursion, in a meta where enhanced hammer is so, so good, is worth having the darks to me
Imagine which decks are going to try and interact with you with cards like Detention Sphere and Banishing Light, and then imagine blowing up those cards for one mana at the end of their turn and how good that would feel To be honest, it feels even better than that
It gets bigger and gives you an additional combat phase when it attacks the player with the most life for the first time each turn
Primevals Glorious Rebirth Primevals' Glorious Rebirth brings back every legendary permanent from your graveyard