Vision, Synthezoid Avenger 
Legendary Artifact Creature — Robot Hero
$0.24 #15611 0.22 0.3 years
Flying
Whenever a player casts a spell, if it isn't that player's turn, choose one —
• Put a +1/+1 counter on Vision.
• Vision phases out. (Treat him and anything attached to him as though they don't exist until your next turn.)
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Cards similar to Vision, Synthezoid Avenger 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.
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