It reads, Whenever Lord of the Void deals combat damage to a player, exile the top seven cards of that players library, then put a creature card from among them onto the battlefield under your control. While mill isnt likely to be your main strategy in a deck filled with Demons, the exiling is definitely nice
Abilities say whenever ~ becomes untapped trigger
Well ok, I didn't really want to review these, but there is a cycle and I wanted to cover all the cycles
Strike with lightning, unleash overwhelming power, and prove your worth as thunder crashes across the battlefield, leaving devastation in its wake and no enemy standing
It's also perfect for Eldrazi Unbound, but you'll get some cash for it if you decide to trade it away
With Vampiric Tutor, Demonic Tutor and Idyllic Tutor also being in this deck, it's more than enough to find all the combo pieces you need