Construct a Cosmic Cube {2}{B}
Enchantment — Plan
Whenever you draw your second card each turn, create a 2/1 black Villain creature token with menace and put a plan counter on this enchantment.
When the seventh plan counter is put on this enchantment, sacrifice it. When you do, you control target opponent during their next turn. (You see all cards that player could see and make all decisions for them.)
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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.
Doom Reigns Supreme 95%
$0.33#14186
"When the fifth plan counter is put on this enchantment, sacrifice it. When you do, target opponent exiles the top five cards of their library. You may cast up to two spells from among the exiled cards without paying their mana costs."
Glorious Purpose 91%
$0.28#14541
"When the sixth plan counter is put on this enchantment, sacrifice it. If you do, exile the top four cards of your library. You may cast any number of spells from among them without paying their mana costs. Put the rest into your hand."
Claim the Kingdom 89%
$0.28#16957
"When the fourth plan counter is put on this enchantment, sacrifice it. When you do, put an indestructible counter on target creature you control."
Death to Our Enemies 88%
$0.22#20939
"When the fourth plan counter is put on this enchantment, sacrifice it. When you do, it deals 7 damage divided as you choose among one or two targets."