Iron Monger, Sadistic Tycoon 

Legendary Artifact Creature — Human Villain
$0.36 #9186 0.22 0.3 years
Flying
Whenever a creature you control connives, put a +1/+1 counter on each Villain you control.
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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.
Citizen V, Helmut Zemo80%
$0.35↓#19479↓0.260.3 years
"Whenever you gain life, put a +1/+1 counter on each Villain you control."
Glorious Purpose80%
$0.29↓#105220.280.3 years
"Whenever a creature you control connives, put a +1/+1 counter on that creature and a plan counter on this enchantment."
Flying Octobot80%
$0.12↓#15204↓0.291.1 years
"Whenever another Villain you control enters, put a +1/+1 counter on this creature. This ability triggers only once each turn."
Ultron, Unlimited76%
$1.03↑#86300.45↑0.3 years
"Whenever a creature you control connives, you may pay
. If you do, create a 2/2 colorless Robot Villain artifact creature token."
+1 more matching line
Prowler, Clawed Thief76%
$0.21↓#73870.82↑1.1 years
"Whenever another Villain you control enters, this card connives."
Leader, Super-Genius74%
$0.34↓#82870.130.3 years
"At the beginning of combat on your turn, target creature you control connives."
Baron Strucker, HYDRA Overlord74%
$0.20↓#78080.210.3 years
"Whenever another Villain you control enters, you may have it connive. Do this only once each turn."
Generous Pup70%
$8.83↑#5299↑0.141.9 years↑
"Whenever one or more +1/+1 counters are put on this creature, put a +1/+1 counter on each other creature you control. This ability triggers only once each turn."