Dead Man's Chest 
Enchantment — Aura
$0.29 #9114 0.21 8.6 years
Enchant creature an opponent controls
When enchanted creature dies, exile cards equal to its power from the top of its owner's library. 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.
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Cards similar to Dead Man's Chest expected a card that isn't here?
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Banewasp Affliction80%
$0.16↓#22341↓0.06↓17.9 years↑
"Enchant creature"
+1 more matching line
Unnatural Hunger77%
$1.79↑#25382↓0.55↑26.9 years↑
"Enchant creature"
Nurgle's Rot76%
$7.59↑#80220.06↓3.9 years↓
"Enchant creature an opponent controls"
Death Watch76%
$0.17↓#21275↓0.00↓29.6 years↑
"Enchant creature"
+1 more matching line
Curse of Hospitality72%
$0.37↑#79650.49↑4.8 years↓
"Whenever a creature deals combat damage to enchanted player, that player exiles the top card of their library. Until end of turn, that creature's controller may play that card and they may spend mana as though it were mana of any color to cast that spell."
Outrageous Robbery72%
$0.38↑#4711↑0.40↑2.6 years↓
"Target opponent exiles the top X cards of their library face down. You may look at and play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any type to cast it."
Court of Locthwain71%
$5.56↑#3344↑0.40↑3.0 years↓
"At the beginning of your upkeep, exile the top card of target opponent's library. You may play that card for as long as it remains exiled, and mana of any type can be spent to cast it. If you're the monarch, until end of turn, you may cast a spell from among cards exiled with this enchantment without paying its mana cost."
Stolen Strategy71%
$0.34↑#4563↑0.65↑8.2 years
"At the beginning of your upkeep, exile the top card of each opponent's library. Until end of turn, you may cast spells from among those exiled cards, and you may spend mana as though it were mana of any color to cast those spells."
Cunning Rhetoric71%
$2.19↑#2624↑0.36↑5.4 years↓
"Whenever an opponent attacks you and/or one or more planeswalkers you control, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it."
Villainous Wealth70%
$0.29#2406↑0.63↑11.9 years↑
"Target opponent exiles the top X cards of their library. You may cast any number of spells with mana value X or less from among them without paying their mana costs."
Gonti, Lord of Luxury70%
$0.28↓#2046↑0.55↑9.9 years↑
"When this card enters, look at the top four cards of target opponent's library, exile one of them face down, then put the rest on the bottom of that library in a random order. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell."
Blightwing Bandit70%
$4.31↑#6132↑0.59↑3.0 years↓
"Whenever you cast your first spell during each opponent's turn, look at the top card of that player's library, then exile it face down. You may play that card for as long as it remains exiled, and mana of any type can be spent to cast it."
Knacksaw Clique70%
$3.35↑#17338↓0.2018.3 years↑
"
, 
: Target opponent exiles the top card of their library. Until end of turn, you may play that card."
, : Target opponent exiles the top card of their library. Until end of turn, you may play that card."