Sorin, Imperious Bloodlord Finish:Nonfoil each opponent loses 4 life

each opponent loses 4 life unless that player sacrifices a nonland permanent of their choice or discards a card

At the beginning of each player's upkeep

you may cast those cards without paying their mana costs

discard any number of cards

put up to one target nonland permanent that player controls into its owner's library third from the top

Sorin, Imperious Bloodlord Finish:Nonfoil each opponent loses 4 life+1: Target creature you control gains deathtouch and lifelink until end of turn. If it's a Vampire, put a +1 +1 counter on it. +1: You may sacrifice a Vampire. When you do, Sorin deals 3 damage to any target and you gain 3 life. 3: You may put a Vampire creature card from your hand onto the battlefield.