As long as its your turn, nonland permanent cards in your graveyard have retrace
Discarding, drawing a card and losing life, and/or sacrificing a creature
As mentioned, it being an exile turns off so many strategies, and being able all of the most common permanent types, bar lands, means it's an emergency button that ultimately slows games back down to a crawl
This sort of card rarely breaks into Constructed formats, as theres simply more threatening or aggressive things to do for four mana in the kinds of decks that would want it
The ice-type variant sports a very on-theme winter background, with snowflake pattern halos making the design feel like an artwork that would be equally at home in an art gallery as a binder
Conclusion The beauty of Magic: The Gathering lies in the variety of play styles that the five colors of mana enable