Korvold, Weregild Hoarder

+1: Each opponent may sacrifice a non-land permanent. For each opponent that does not, create a Treasure token.
-3: Pay up to three life, then draw that many cards. If you paid three life, create a 2/2 black Knight creature token.
-7: Sacrifice any number of permanents. For each permanent you sacrificed this way , create a 5/5 red Dragon creature token with flying and haste.