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Cruel Bargain
{B}{B}{B}
Sorcery
Draw four cards. You lose half your life, rounded up.

Death Wish
{1}{B}{B}
Sorcery
You may put a card you own from outside the game into your hand. You lose half your life, rounded up. Exile ~this~.

Doomsday
{B}{B}{B}
Sorcery
Search your library and graveyard for five cards and exile the rest. Put the chosen cards on top of your library in any order. You lose half your life, rounded up.

Ebonblade Reaper
{2}{B}
Creature -- Human Cleric
1/1
Whenever ~this~ attacks, you lose half your life, rounded up.
Whenever ~this~ deals combat damage to a player, that player loses half their life, rounded up.
Morph {3}{B}{B} (You may cast ~this~ face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Infernal Contract
{B}{B}{B}
Sorcery
Draw four cards. You lose half your life, rounded up.