Miner's Guidewing 
Creature — Bird
$0.23 #11384 0.22 2.9 years
Flying, vigilance
When this creature dies, target creature you control explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.)
Click a line or tag to filter
Cards similar to Miner's Guidewing 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.
Citywatch Sphinx94%
$0.12↓#28224↓0.138.0 years↑
"When this creature dies, surveil 2."
Spinal Centipede84%
$0.18↓#24085↓0.00↓8.0 years↑
"When this creature dies, put a +1/+1 counter on target creature you control."
Steadfast Sentry84%
$0.04↓#27753↓0.00↓7.3 years↑
"When this creature dies, put a +1/+1 counter on target creature you control."
Goblin Assault Team84%
$0.08↓#21104↓0.00↓7.5 years↑
"When this creature dies, put a +1/+1 counter on target creature you control."
Lawless Broker84%
$0.06↓#25931↓0.44↑10.1 years↑
"When this creature dies, put a +1/+1 counter on target creature you control."
Sparring Construct84%
$0.19↓#17909↓0.00↓8.5 years↑
"When this creature dies, put a +1/+1 counter on target creature you control."
Guul Draz Mucklord84%
$0.07↓#26246↓0.06↓6.1 years↑
"When this creature dies, put a +1/+1 counter on target creature you control."
Boulderborn Dragon82%
$0.16↓#126530.251.5 years↓
"Flying, vigilance"
Failed Conversion82%
$0.07↓#26295↓0.153.5 years
"When enchanted creature dies, surveil 2."
Enter the Unknown80%
$0.34↑#8621↑0.06↓8.8 years↑
"Target creature you control explores."
Momo, Playful Pet80%
$0.24↑#8649↑0.190.9 years↓
"Flying, vigilance"
Wary Watchdog78%
$0.20↓#16074↓0.00↓2.1 years
"When this creature enters or dies, surveil 1."
Wary Thespian78%
$0.06↓#18834↓0.253.5 years
"When this creature enters or dies, surveil 1."
Thawbringer78%
$0.09↓#21618↓0.00↓1.2 years↓
"When this creature enters or dies, surveil 1."
Lys Alana Informant78%
$0.10↓#14947↓0.01↓0.7 years↓
"When this creature enters or dies, surveil 1."
Abzan Skycaptain78%
$0.04↓#24143↓0.00↓11.7 years↑
"When this creature dies, bolster 2."
Wild Hypothesis78%
$0.17↓#15972↓0.01↓0.5 years↓
"Surveil 2."
Muse's Encouragement78%
$0.09↓#22940↓0.02↓0.5 years↓
"Surveil 2."
Underwater Tunnel // Slimy Aquarium78%
$0.12↓#120320.00↓2.1 years
"When you unlock this door, surveil 2."
Hour of Defeat77%
$0.09↓#20878↓0.130.3 years↓
"Destroy target creature. Surveil 1."