For example, if one of the exiled cards is a land card, you may play it only during your main phase while the stack is empty and only if you have an available land play remaining
But, in the end, they were cut to make space for other mechanics
Nahiri, Forged in Fury just offers a ton of potential card advantage, and affinity for artifacts is a nice way to circumvent commander tax and the hefty starting mana value of 6
Oketra the True comes with the most essential voltron keywords as stock, but encourages me to play cool utility creatures to help her instead
Fallen Empires gave us creatures with a shroud ability that could be activated with mana, and that was followed by Autumn Willow, a Homelands chase card (I know, that sounds funny to me too) with a static shroud ability pre-keyworded as cannot be the target of spells of effects. Magic replaced this with the slightly less stultifying hexproof, which is still just as obnoxious when youre sitting across the table from it
