Spectral Adversary 
Creature — Spirit
$0.45 #14895 0.06 5.1 years
Flash
Flying
When this creature enters, you may pay any number of times. When you pay this cost one or more times, put that many +1/+1 counters on this creature, then up to that many other target artifacts, creatures, and/or enchantments phase out.
any number of times. When you pay this cost one or more times, put that many +1/+1 counters on this creature, then up to that many other target artifacts, creatures, and/or enchantments phase out.Click a line or tag to filter
Cards similar to Spectral Adversary 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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$0.62↑#1926↑0.41↑5.2 years
"When this creature enters, any number of other target creatures you control phase out."
+1 more matching line
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"Flash"
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$0.10↓#23305↓0.22↑6.5 years↑
"Flash"
Ethersworn Shieldmage71%
$0.16↓#23161↓0.1117.5 years↑
"Flash"
Appa, Steadfast Guardian70%
$5.82↑#2997↑0.29↑0.9 years↓
"Flash"
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$0.83↑#3870↑0.27↑0.7 years↓
"Flash"
Captain America, Unbowed70%
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$0.13↓#32013↓0.0024.7 years↑
"Flash"
Tainted Adversary70%
$1.21↑#11731↑0.25↑5.1 years
"When this creature enters, you may pay 
any number of times. When you pay this cost one or more times, put that many +1/+1 counters on this creature, then create twice that many 2/2 black Zombie creature tokens with decayed."
any number of times. When you pay this cost one or more times, put that many +1/+1 counters on this creature, then create twice that many 2/2 black Zombie creature tokens with decayed."
Griffnaut Tracker70%
$0.09↓#27608↓0.072.7 years↓
"Flying"