You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, each opponent loses 3 life, then you gain life equal to the life lost this way. Flying, lifelink

When Sleeper Agent enters the battlefield, target opponent gains control of it. At the beginning of your upkeep, Sleeper Agent deals 2 damage to you.

Whenever you lose life for the first time each turn, you get {E}. (You get an energy counter. Damage causes loss of life.) Pay {E}{E}, Sacrifice Gonti's Machinations: Each opponent loses 3 life. You gain life equal to the life lost this way.

When Hopeless Nightmare enters the battlefield, each opponent discards a card and loses 2 life. When Hopeless Nightmare is put into a graveyard from the battlefield, scry 2. {2}{B}: Sacrifice Hopeless Nightmare.

({T}: Add {B} or {R}.) As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life: Add {B} or {G}. {1}, {T}, Sacrifice Nurturing Peatland: Draw a card.

({T}: Add {B} or {G}.) As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}, Pay 1 life: Add {W} or {B}. {1}, {T}, Sacrifice Silent Clearing: Draw a card.

Target opponent loses 3 life. Flashback {5}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Escalate—Discard a card. (Pay this cost for each mode chosen beyond the first.) Choose one or more — • Target opponent reveals their hand. You choose an instant or sorcery card from it. That player discards that card. • Target creature gets -2/-2 until end of turn. • Target opponent loses 2 life and you gain 2 life.

Target player draws two cards and loses 2 life.

Destroy target nongreen creature. Its controller loses 3 life if you've cast another black spell this turn.

Choose one — • All creatures get -1/-1 until end of turn. • Destroy target enchantment. • Regenerate each creature you control.

If an opponent gained life this turn, you may pay {B} rather than pay this spell's mana cost. Target player loses 5 life and you gain 5 life.

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

Destroy target nongreen creature. Its controller loses 3 life if you've cast another black spell this turn.

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Target opponent loses 3 life and you gain 3 life. Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

({T}: Add {B}.) Leechridden Swamp enters the battlefield tapped. {B}, {T}: Each opponent loses 1 life. Activate only if you control two or more black permanents.

If Leyline of Sanctity is in your opening hand, you may begin the game with it on the battlefield. You have hexproof. (You can't be the target of spells or abilities your opponents control.)

Protection from black and from red When Sanctifier en-Vec enters the battlefield, exile all cards that are black or red from all graveyards. If a black or red permanent, spell, or card not on the battlefield would be put into a graveyard, exile it instead.