Author of Shadows 
Creature — Shade Warlock
$0.52 #12917 0.29 5.4 years
When this creature enters, exile all opponents' graveyards. Choose a nonland card exiled this way. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.
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Cards similar to Author of Shadows expected a card that isn't here?
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Psychic Intrusion81%
$0.21↓#22361↓0.67↑12.9 years↑
"Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell."
Angel of Finality78%
$0.27↓#4292↑0.18↓12.8 years↑
"When this creature enters, exile target player's graveyard."
Mnemonic Betrayal78%
$8.14↑#2427↑0.60↑7.9 years↑
"Exile all opponents' graveyards. You may cast spells from among those cards this turn, and mana of any type can be spent to cast them. At the beginning of the next end step, if any of those cards remain exiled, return them to their owners' graveyards."
Hedonist's Trove78%
$0.29↓#17327↓0.3611.4 years↑
"When this enchantment enters, exile target opponent's graveyard."
Covetous Urge76%
$0.07↓#17363↓0.45↑6.9 years↑
"Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell."
Kotose, the Silent Spider76%
$0.26↓#18551↓0.00↓4.5 years
"When this card enters, exile target card other than a basic land card from an opponent's graveyard. Search that player's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles. For as long as you control this card, you may play one of the exiled cards, and you may spend mana as though it were mana of any color to cast it."
Boggart Trawler // Boggart Bog74%
$1.50↑#635↑0.272.2 years↓
"When this creature enters, exile target player's graveyard."
Bojuka Bog74%
$1.12↑#24↑0.45↑16.6 years↑
"When this land enters, exile target player's graveyard."
Hama, the Bloodbender73%
$0.20↓#16995↓0.00↓0.8 years↓
"When this card enters, target opponent mills three cards. Exile up to one noncreature, nonland card from that player's graveyard. For as long as you control this card, you may cast the exiled card during your turn by waterbending 
rather than paying its mana cost, where X is its mana value."
rather than paying its mana cost, where X is its mana value."
Shadow of the Enemy72%
$1.39↑#10208↑0.63↑3.2 years↓
"Exile all creature cards from target player's graveyard. You may cast spells from among those cards for as long as they remain exiled, and mana of any type can be spent to cast them."
Relic of Progenitus72%
$6.16↑#4798↑0.3317.9 years↑
"
: Target player exiles a card from their graveyard."
: Target player exiles a card from their graveyard."
Rest in Peace71%
$0.67↑#2296↑1.23↑13.9 years↑
"When this enchantment enters, exile all graveyards."
Lantern of the Lost71%
$0.24↓#119360.334.8 years
"When this artifact enters, exile target card from a graveyard."
Phyrexian Scriptures70%
$0.80↑#4569↑0.45↑8.4 years↑
"Exile all opponents' graveyards."
Crook of Condemnation70%
$0.12↓#20899↓0.229.1 years↑
"
, Exile this artifact: Exile all graveyards."
, Exile this artifact: Exile all graveyards."
Diluvian Primordial70%
$0.26↓#3658↑0.49↑13.6 years↑
"When this creature enters, for each opponent, you may cast up to one target instant or sorcery card from that player's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead."
Kefka, Dancing Mad70%
$0.39↓#4105↑0.59↑1.2 years↓
"At the beginning of your end step, exile a card at random from each opponent's graveyard. You may cast any number of spells from among cards exiled this way without paying their mana costs. Then each player who owns a spell you cast this way loses life equal to its mana value."