Whenever Scion of Opulence or another nontoken Vampire you control dies, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color."), Sacrifice two artifacts: Exile the top card of your library. You may play that card this turn.
Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)As long as Imperious Mindbreaker is paired with another creature, each of those creatures has "Whenever this creature attacks, each opponent mills cards equal to its toughness."
Attacking creatures you control have first strike.Whenever a Vampire you control deals combat damage to a player, put a +1/+1 counter on it.Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)Avacyn's Judgment deals 2 damage divided as you choose among any number of targets. If this spell's madness cost was paid, it deals X damage divided as you choose among those permanents and/or players instead.
Exile X target creatures, then investigate X times. Return the exiled cards to the battlefield tapped under their owners' control at the beginning of the next end step. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")
At the beginning of your end step, create X 1/1 white Spirit creature tokens with flying, where X is the number of opponents who control more lands than you.