Teferi, Mage of Zhalfir can be ridiculously good in any control-focused deck
Saheeli is cheap to replay and generally board wipes focus on creatures
Theyre both hugely popular characters even now, more than a decade after the first film was released
For example, Llanowar Tribe, Goreclaw, Terror of Qal Sisma, Steel Leaf Champion, and the like make the most of Ghalta's ability to reduce her cost
Other times, however, Magic ends up printing some of the most powerful cards in the games history totally by accident and has cemented the 1998 Urzas Saga as one of the most unbalanced sets in the game
It makes for a smoother game overall and works incredibly well under various stax effects, which notably makes for a great sub-theme, and Heliod is overall one of the best mono-white commanders