Omega, Heartless Evolution 
Legendary Artifact Creature — Robot
$0.17 #9278 0.55 1.2 years
Wave Cannon — When Omega enters, for each opponent, tap up to one target nonland permanent that opponent controls. Put X stun counters on each of those permanents and you gain X life, where X is the number of nonbasic lands you control. (If a permanent with a stun counter would become untapped, remove one from it instead.)
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Cards similar to Omega, Heartless Evolution 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.
Kiora Bests the Sea God74%
$8.16↑#4608↑0.556.6 years↑
"Tap all nonland permanents target opponent controls. They don't untap during their controller's next untap step."
Tamiyo, Field Researcher72%
$0.60↑#2997↑0.4710.1 years↑
"−2: Tap up to two target nonland permanents. They don't untap during their controller's next untap step."