The War In The Mortal Realms

{c} can be paid with: lose 5 life or discard 2 cards.
At the beginning of your upkeep choose one you
haven't picked yet:
discard 2 card and draw 3 cards,
Sacrifice a creature; you gain 6 life,
destroy target creature, you lose 3 life.
After you pick all of them, choose one then exile
this card:
Each player mills 20 cards and discards there
hand, destroy all non land permanents,
each player loses 10 life.