On the other hand, if you join an event thats not marked as traditional, then youre playing best-of-one
Also no (that title probably goes to Ghave, Guru of Spores)
Minsc & Boo actually has two variants in the game so far but, in terms of power, this Planeswalker is hard to beat
Eshki's first effect plays into its second one, as its power will eventually cause big burn damage when you cast creatures with six or more power
Mythic rare are the most complex cards available
As a rule of thumb, Ive found that if the card(s) in question cannot win you the game outright, the answer is usually No. Cards like Insurrection, Finale of Devastation, Rise of the Dark Realms, Armageddon, and Expropriate are cards that often belong to this category, and should be added very sparingly to your deck