Korlash, Heir to Blackblade {2}{B}{B}
Legendary Creature — Zombie Warrior
Korlash's power and toughness are each equal to the number of Swamps you control.
{1}{B}: Regenerate Korlash.
Grandeur — Discard another card named Korlash, Heir to Blackblade: Search your library for up to two Swamp cards, put them onto the battlefield tapped, then shuffle.
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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.
Squelching Leeches 100%
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"this card's power and toughness are each equal to the number of Swamps you control."
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"this card's power and toughness are each equal to the number of Swamps you control."
Sima Yi, Wei Field Marshal 98%
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"this card's power is equal to the number of Swamps you control."
Angry Mob 87%
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"During your turn, this card's power and toughness are each equal to 2 plus the number of Swamps your opponents control. During turns other than yours, this card's power and toughness are each 2."