Sivriss, Nightmare Speaker

{T}, Sacrifice another creature or an artifact: For each opponent, you mill a card, then return that card from your graveyard to your hand unless that player pays 3 life. (To mill a card, put the top card of your library into your graveyard.)
Choose a Background (You can have a Background as a second commander.)

{T}，犧牲另一個生物或一個神器：對每位對手而言，你磨一張牌，然後除非該玩家支付3點生命，否則將該牌從你的墳墓場移回你手上。（磨一張牌的流程是將你牌庫頂的牌置入你的墳墓場。）
選擇身世（你能用一個身世當作第二指揮官。）