Xenagos, the Reveler 


Legendary Planeswalker — Xenagos
+1: Add X mana in any combination of {R} and/or {G}, where X is the number of creatures you control.
0: Create a 2/2 red and green Satyr creature token with haste.
−6: Exile the top seven cards of your library. You may put any number of creature and/or land cards from among them onto the battlefield.
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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.
Chandra, Fire Artisan 98%
$0.36#10301
"−7: Exile the top seven cards of your library. You may play them this turn."
Ral, Monsoon Mage // Ral, Leyline Prodigy 93%
$6.29#3628
"−8: Exile the top eight cards of your library. You may cast instant and sorcery spells from among them this turn without paying their mana costs."
+1 more matching line
Jaya, Fiery Negotiator 89%
$0.50#11151
"−1: Exile the top two cards of your library. Choose one of them. You may play that card this turn."
+1 more matching line