Memoricide 
Sorcery
$0.23 #26902 0.40 15.9 years
Choose a nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles.
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Cards similar to Memoricide expected a card that isn't here?
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Cranial Extraction98%
$0.61↑#262090.53↑21.9 years↑
"Choose a nonland card name. Search target player's graveyard, hand, and library for all cards with that name and exile them. Then that player shuffles."
Stain the Mind96%
$0.21↓#285480.67↑12.1 years↓
"Choose a nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles."
Slaughter Games96%
$0.29↑#268240.07↓13.9 years↓
"Choose a nonland card name. Search target opponent's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles."
Ancient Vendetta94%
$0.25↑#253670.27↓1.6 years↓
"Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. Then that player shuffles."
Lost Legacy93%
$0.19↓#239410.25↓9.9 years↓
"Choose a nonartifact, nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way."
Infinite Obliteration93%
$0.19↓#271880.79↑11.1 years↓
"Choose a creature card name. Search target opponent's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles."
Thought Hemorrhage90%
$0.29↑#313230.29↓17.3 years↑
"Choose a nonland card name. Target player reveals their hand. this card deals 3 damage to that player for each card with the chosen name revealed this way. Search that player's graveyard, hand, and library for all cards with that name and exile them. Then that player shuffles."
Extirpate90%
$0.89↑#221760.22↓19.6 years↑
"Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for all cards with the same name as that card and exile them. Then that player shuffles."
Lobotomy90%
$0.26↑#300550.93↑28.9 years↑
"Target player reveals their hand, then you choose a card other than a basic land card from it. Search that player's graveyard, hand, and library for all cards with the same name as the chosen card and exile them. Then that player shuffles."
Dispossess90%
$0.14↓#282680.20↓9.4 years↓
"Choose an artifact card name. Search target opponent's graveyard, hand, and library for any number of cards with the chosen name and exile them. Then that player shuffles."
Necromentia90%
$0.32↑#266380.336.2 years↓
"Choose a card name other than a basic land card name. Search target opponent's graveyard, hand, and library for any number of cards with that name and exile them. That player shuffles, then creates a 2/2 black Zombie creature token for each card exiled from their hand this way."
Unmoored Ego90%
$0.25↑#270660.69↑7.9 years↓
"Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way."
Reap Intellect88%
$0.27↑#307430.3513.3 years↓
"Target opponent reveals their hand. You choose up to X nonland cards from it and exile them. For each card exiled this way, 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."
Splinter88%
$0.40↑#240870.09↓27.2 years↑
"Exile target artifact. Search its controller's graveyard, hand, and library for all cards with the same name as that artifact and exile them. Then that player shuffles."
The Stone Brain88%
$0.38↑#234880.503.8 years↓
"
, 
, Exile this card: Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way. Activate only as a sorcery."
, , Exile this card: Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way. Activate only as a sorcery."
Surgical Extraction87%
$1.93↑#13670↑0.72↑15.3 years
"Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles."
Scour86%
$0.16↓#314660.53↑27.2 years↑
"Exile target enchantment. Search its controller's graveyard, hand, and library for all cards with the same name as that enchantment and exile them. Then that player shuffles."
Counterbore86%
$0.33↑#268820.3218.3 years↑
"Counter target spell. Search its controller's graveyard, hand, and library for all cards with the same name as that spell and exile them. Then that player shuffles."
Sowing Salt85%
$0.12↓#304150.4127.2 years↑
"Exile target nonbasic land. Search its controller's graveyard, hand, and library for all cards with the same name as that land and exile them. Then that player shuffles."
Eradicate85%
$0.29↑#238670.62↑27.2 years↑
"Exile target nonblack creature. Search its controller's graveyard, hand, and library for all cards with the same name as that creature and exile them. Then that player shuffles."