+sarevok (2)
At the beginning of each player's end step, if no permanents left the battlefield this turn, that player loses X life, where X is Sarevok's power.
Choose a Background (You can have a Background as a second commander.)
When Sarevok's Tome enters, you take the initiative.
: Add . If you have the initiative, add instead.
, : Exile cards from the top of your library until you exile a nonland card. You may cast that card without paying its mana cost. Activate only if you've completed a dungeon.
Gatherer works better in the Companion app!