Just know that if you want to play either of these formats at a high level, expect to spend as many as 20-40 rare and mythic wildcards
I mentioned Peregrine Drake before, which goes infinite with Deadeye Navigator
161 Omega, Heartless Evolution Omega is a victim of high price at 7 mana and a poor enters ability that isnt likely to do much in limited, and still too little in constructed or even casual play
You might hit an extra land and get a free card, or you might hit an Emrakul and straight up die
Though as the pioneer of a new half-mill, half-lifegain archetype, its certainly doing something novel
After digging through all of these different mill cards, trying to understand how they have contextually changed we must turn to the final question: what will we be using Bruvac the Grandiloquent for