Seven mana is a lot, no doubt, but what you're getting is Panharmonicon on steroids
If you do, each opponent loses 1 life and you gain that much life.) At the beginning of each of your postcombat main phases, if you gained 3 or more life this turn, exile Sorin of House Markov, then return him to the battlefield transformed under his owner's control
I didnt include Mondrak, Glory Dominus or Ojer Taq, Deepest Foundation for budget considerations and to lean further into a human theme, but you can totally include them to make even more tokens
This is a combo deck looking to cast K'rrik, then use his insane mana discount and lots of other mana generators like Dark Ritual to draw cards / tutor to find and cast our combo finishers, burning through our life total at a staggering pace in the process
Obviously this doesnt include cards like Cultivate or Solemn Simulacrum, but it does include stronger pieces like Smothering Tithe, Mana Drain, and Avenger of Zendikar
#9 Hint of Insanity (Odyssey) Why is it bad