Force of Despair 
Instant
$6.37 #2454 0.77 7.4 years
If it's not your turn, you may exile a black card from your hand rather than pay this spell's mana cost.
Destroy all creatures that entered this turn.
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Cards similar to Force of Despair expected a card that isn't here?
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Sickening Shoal84%
$8.98↑#19615↓0.12↓21.7 years↑
"You may exile a black card with mana value X from your hand rather than pay this spell's mana cost."
Force of Vigor84%
$4.93↓#1021↑0.797.4 years
"If it's not your turn, you may exile a green card from your hand rather than pay this spell's mana cost."
Unmask84%
$6.25↓#18070↓0.52↓27.0 years↑
"You may exile a black card from your hand rather than pay this spell's mana cost."
Soul Spike82%
$17.57↑#25844↓0.06↓20.2 years↑
"You may exile two black cards from your hand rather than pay this spell's mana cost."
Contagion80%
$0.27↓#12823↓0.20↓30.4 years↑
"You may pay 1 life and exile a black card from your hand rather than pay this spell's mana cost."
Force of Virtue78%
$0.35↓#13782↓0.15↓7.4 years
"If it's not your turn, you may exile a white card from your hand rather than pay this spell's mana cost."
Force of Rage78%
$0.29↓#19122↓0.29↓7.4 years
"If it's not your turn, you may exile a red card from your hand rather than pay this spell's mana cost."
Grief77%
$2.19↓#6476↓0.795.5 years↓
"Evoke—Exile a black card from your hand."
Pyrokinesis75%
$1.78↓#5275↓0.32↓30.4 years↑
"You may exile a red card from your hand rather than pay this spell's mana cost."
Sunscour74%
$2.78↓#20814↓0.88↑20.2 years↑
"Destroy all creatures."
+1 more matching line
Force of Negation74%
$45.17↑#273↑1.95↑7.4 years
"If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost."
March of Wretched Sorrow72%
$0.34↓#9589↓0.22↓4.7 years↓
"As an additional cost to cast this spell, you may exile any number of black cards from your hand. This spell costs 
less to cast for each card exiled this way."
less to cast for each card exiled this way."
Cradle to Grave71%
$0.19↓#25180↓0.00↓19.7 years↑
"Destroy target nonblack creature that entered this turn."
Spinning Darkness70%
$0.67↓#25912↓0.10↓29.4 years↑
"You may exile the top three black cards of your graveyard rather than pay this spell's mana cost."