Depending on the spell, Exile can permanently eliminate cards like creatures, Planeswalkers, artifacts or enchantments, effectively removing them from the game
In their eternal search for perfection, called 'compleation' (yes, spelled like that), a process that fully replaces a beings body with metal, the Phyrexians have produced monstrosities and abominable machines to further their progress
We decided to start with a cycle of five monocolored planeswalkers that hit square center for each color
But if you cast it during your main phase, it also puts a +1/+1 counter on each creature and gives them vigilance
It has flying of course, but you dont want it to be chumped by a 1/1 flier, do you
However, if you look back on flashback and split cards, you'll notice that nearly all of them are at the same rarity as the "normal" version of the effect