Rage Extractor 
Artifact
$0.15 #30642 0.87 15.3 years
( can be paid with either 
or 2 life.)
can be paid with either or 2 life.)Whenever you cast a spell with 
in its mana cost, this artifact deals damage equal to that spell's mana value to any target.
in its mana cost, this artifact deals damage equal to that spell's mana value to any target.Click a line or tag to filter
Cards similar to Rage Extractor 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.
Imminent Doom80%
$0.15#250920.31↓9.1 years↓
"Whenever you cast a spell with mana value equal to the number of doom counters on this enchantment, this enchantment deals that much damage to any target. Then put a doom counter on this enchantment."
Screamer-Killer78%
$0.54↑#9665↑0.27↓3.9 years↓
"Whenever you cast a creature spell with mana value 5 or greater, this creature deals 5 damage to any target."
Embersmith76%
$0.13↓#294330.11↓15.9 years
"Whenever you cast an artifact spell, you may pay 
. If you do, this creature deals 1 damage to any target."
. If you do, this creature deals 1 damage to any target."
Dreamstalker Manticore75%
$0.12↓#264870.41↓6.6 years↓
"Whenever you cast your first spell during each opponent's turn, this creature deals 1 damage to any target."
Labyrinth Champion74%
$0.19↑#248790.19↓12.9 years↓
"Whenever you cast a spell that targets this creature, this creature deals 2 damage to any target."
Pyromancer's Assault74%
$0.10↓#22861↑0.19↓10.6 years↓
"Whenever you cast your second spell each turn, this enchantment deals 2 damage to any target."
Thor, God of Thunder74%
$12.17↑#9061↑0.00↓0.2 years↓
"Whenever you cast a noncreature spell, this card deals damage equal to that spell's mana value to any target."
Kaervek the Merciless74%
$0.31↑#2567↑0.61↓19.9 years↑
"Whenever an opponent casts a spell, Kaervek deals damage equal to that spell's mana value to any target."
Lozhan, Dragons' Legacy74%
$0.29↑#4244↑0.18↓4.2 years↓
"Whenever you cast an Adventure or Dragon spell, this card deals damage equal to that spell's mana value to any target that isn't a commander."
Burning Vengeance73%
$0.14↓#13056↑0.06↓14.9 years
"Whenever you cast a spell from your graveyard, this enchantment deals 2 damage to any target."
Pyroconvergence73%
$0.11↓#264500.19↓13.9 years↓
"Whenever you cast a multicolored spell, this enchantment deals 2 damage to any target."
Surtr, Fiery Jötun72%
$11.87↑#7295↑0.50↓2.2 years↓
"Whenever you cast a historic spell, this card deals 3 damage to any target."
Gut Shot72%
$5.12↑#2264↑0.23↓15.3 years
"this card deals 1 damage to any target."
Rumbling Aftershocks72%
$0.04↓#305970.06↓16.6 years↑
"Whenever you cast a kicked spell, you may have this enchantment deal damage to any target equal to the number of times that spell was kicked."
Kamahl, Pit Fighter72%
$0.18↑#18157↑0.50↓24.9 years↑
"
: this card deals 3 damage to any target."
: this card deals 3 damage to any target."
Molten Nursery71%
$0.13↓#23255↑0.20↓10.9 years↓
"Whenever you cast a colorless spell, this enchantment deals 1 damage to any target."
Knollspine Invocation71%
$0.40↑#299810.17↓18.3 years↑
"
, Discard a card with mana value X: This enchantment deals X damage to any target."
, Discard a card with mana value X: This enchantment deals X damage to any target."
Aladdin's Ring71%
$0.25↑#247860.50↓32.7 years↑
"
, : This artifact deals 4 damage to any target."
, : This artifact deals 4 damage to any target."
Mana Cannons70%
$0.57↑#9573↑0.47↓4.0 years↓
"Whenever you cast a multicolored spell, this enchantment deals X damage to any target, where X is the number of colors that spell is."
Keeper of Secrets70%
$10.72↑#3243↑0.50↓3.9 years↓
"Whenever you cast a spell from anywhere other than your hand, this creature deals damage equal to that spell's mana value to target opponent."