Powerstone Shard 
Artifact
$0.24 #15560 0.06 8.4 years
: Add 
for each artifact you control named Powerstone Shard.Click a line or tag to filter
Cards similar to Powerstone Shard 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.
Sisay's Ring78%
$0.31↑#4882↑0.29↑29.6 years↑
": Add ."
: Add ."
Ur-Golem's Eye78%
$0.35↑#7639↑0.0022.6 years↑
": Add ."
: Add ."
Worn Powerstone78%
$0.32↑#574↑0.73↑27.9 years↑
": Add ."
: Add ."
Mana Prism74%
$0.18↓#24925↓0.0029.9 years↑
": Add ."
: Add ."
Sol Ring73%
$1.48↑#1↑1.46↑33.1 years↑
": Add ."
: Add ."
Urza's Workshop72%
$16.85↑#2329↑0.33↑3.8 years↓
": Add for each Urza's land you control. Activate only if you control three or more artifacts."
: Add for each Urza's land you control. Activate only if you control three or more artifacts."
Metalworker71%
$205.12↑#3953↑1.18↑27.2 years↑
": Reveal any number of artifact cards in your hand. Add for each card revealed this way."
: Reveal any number of artifact cards in your hand. Add for each card revealed this way."
Gaea's Cradle70%
$1631.18↑#448↑2.17↑28.7 years↑
": Add 
for each creature you control."
: Add for each creature you control."
Seer's Lantern70%
$0.06↓#10964↑0.0010.6 years↑
": Add ."
: Add ."