Underworld Cerberus 


Creature — Dog
This creature can't be blocked except by three or more creatures.
Cards in graveyards can't be the targets of spells or abilities.
When this creature dies, exile it and each player returns all creature cards from their graveyard to their hand.
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Cards that do something similar expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Silent Gravestone 100%
$0.38#17629
"Cards in graveyards can't be the targets of spells or abilities."
Dennick, Pious Apprentice // Dennick, Pious Apparition 100%
$0.29#14948
"Cards in graveyards can't be the targets of spells or abilities."
Greenwarden of Murasa 89%
$0.26#3783
"When this creature dies, you may exile it. If you do, return target card from your graveyard to your hand."
Undead Butler 89%
$0.32#4307
"When this creature dies, you may exile it. When you do, return target creature card from your graveyard to your hand."
Doombot Harbinger 89%
$0.56#21882
"When this creature dies, you may exile this card. When you do, return target creature card from your graveyard to your hand."
Glissa's Retriever 87%
$0.54#9243
"When this creature dies, exile it. When you do, return up to X target cards from your graveyard to your hand, where X is the number of opponents who have three or more poison counters."
Sylvan Hierophant 85%
$0.25#28757
"When this creature dies, exile it, then return another target creature card from your graveyard to your hand."
Phyrexian Colossus 100%
$0.32#22299
"This creature can't be blocked except by three or more creatures."
Rampaging Ceratops 100%
$0.15#11898
"This creature can't be blocked except by three or more creatures."
Gorilla Berserkers 100%
$0.21#14492
"This creature can't be blocked except by three or more creatures."
Relentless X-ATM092 100%
$0.19#11620
"This creature can't be blocked except by three or more creatures."
Pathrazer of Ulamog 100%
$1.45#2390
"This creature can't be blocked except by three or more creatures."
Troll of Khazad-dûm 100%
$0.76#2792
"This creature can't be blocked except by three or more creatures."