Kaervek's Spite 
Instant
$2.88 #23560 0.47 29.6 years
As an additional cost to cast this spell, sacrifice all permanents you control and discard your hand.
Target player loses 5 life.
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"As an additional cost to cast this spell, discard a card or sacrifice a permanent."
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"Sacrifice any number of permanents. You gain 2 life for each permanent sacrificed this way."
Oath of Lim-Dûl74%
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"Whenever you lose life, for each 1 life you lost, sacrifice a permanent other than this enchantment unless you discard a card."
Hellcarver Demon74%
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"Whenever this creature deals combat damage to a player, sacrifice all other permanents you control and discard your hand. Exile the top six cards of your library. You may cast any number of spells from among cards exiled this way without paying their mana costs."
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Lich's Tomb74%
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"You don't lose the game for having 0 or less life."
+1 more matching line
Forbidden Ritual72%
$1.10↓#250870.4029.6 years
"Sacrifice a nontoken permanent. If you do, target opponent loses 2 life unless that player sacrifices a permanent of their choice or discards a card. You may repeat this process any number of times."
Read the Runes72%
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"Draw X cards. For each card drawn this way, discard a card unless you sacrifice a permanent."
Launch Party72%
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"Destroy target creature. Its controller loses 2 life."
+1 more matching line
Drinker of Sorrow72%
$2.72↓#12933↑0.36↓23.6 years↓
"Whenever this creature deals combat damage, sacrifice a permanent."
Fruit of Tizerus70%
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"Target player loses 2 life."
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"Target opponent loses 3 life."
Onyx Goblet70%
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"
: Target player loses 1 life."
: Target player loses 1 life."
Firestorm70%
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"As an additional cost to cast this spell, discard X cards."
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"Discard your hand."
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Perilous Research70%
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"Draw two cards, then sacrifice a permanent."