Robobrain War Mind 
Artifact Creature — Robot
$0.26 #11231 0.00 2.6 years
Robobrain War Mind's power is equal to the number of cards in your hand.
When this creature enters, you get an amount of 
(energy counters) equal to the number of artifact creatures you control.
(energy counters) equal to the number of artifact creatures you control.Whenever this creature attacks, you may pay . If you do, draw a card.
. If you do, draw a card.Click a line or tag to filter
Cards similar to Robobrain War Mind 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.
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"this card's power and toughness are each equal to the number of cards in your hand."
+1 more matching line
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"Whenever this creature attacks, you may pay . If you do, it gets +2/+2 until end of turn."
. If you do, it gets +2/+2 until end of turn."+1 more matching line
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"this card's power and toughness are each equal to the number of cards in your hand."
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"Whenever this creature attacks, you may pay . If you do, it gets +2/+0 until end of turn."
. If you do, it gets +2/+0 until end of turn."+1 more matching line
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"this card's power is equal to the number of cards in your hand."
Masumaro, First to Live82%
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"this card's power and toughness are each equal to twice the number of cards in your hand."
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"this card's power and toughness are each equal to the number of cards in your hand."
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"this card's power and toughness are each equal to the number of cards in your hand."
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"Whenever this creature attacks, you may pay . If you do, put a +1/+1 counter on it."
. If you do, put a +1/+1 counter on it."+1 more matching line
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"Whenever this creature attacks, you may pay . If you do, put a +1/+1 counter on it."
. If you do, put a +1/+1 counter on it."+1 more matching line
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."
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"this card's power and toughness are each equal to the number of cards in your hand."
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"this card's power and toughness are each equal to the number of cards in your hand."
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"When this enchantment enters, create two 1/1 red Gremlin creature tokens. Then you get an amount of equal to the number of creatures you control."
equal to the number of creatures you control."