Latros'isith, The Gateway

Devoid(This card has no color.)
Devour 3 (As this object enters the battlefield, you may sacrifice any number of creatures. This permanent enters the battlefield with three +1/+1 counters on it for each creature sacrificed this way.)
Whenever Latros'isith, The Gateway leaves the battlefield, Sight X (Look at the bottom X cards of your library, where X is this creature's power, then put any number of them on the top of your library and the rest on bottom in any order.)