Corey, Mindful & Macabre

+1: Scry 1. Then you may draw a card. If you do not, target player puts the top 2 cards of his or her library into her or her graveyard.
-4: Create an emblem with "Whenever you draw a card, target player mills a number of cards equal to the highest power among creatures you control."
: Partner with Erica, Petal of Thorns. Corey, Mindful & Macabre can be your commander.