Urabrask's Anointer {3}{R}
Artifact Creature — Phyrexian Wizard
When this creature enters, it deals X damage to any target, where X is the number of permanents you control with oil counters on them.
click a line to search just that ability, click more to combine them
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.
Basalt Ravager 86%
$0.37#10399
"When this creature enters, it deals X damage to any target, where X is the greatest number of creatures you control that have a creature type in common."