Protocol Knight 
Creature — Human Knight
$0.13 #24505 0.06 3.4 years
When this creature enters, tap target creature an opponent controls. Put a stun counter on that creature if you control another Knight. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Click a line or tag to filter
Cards similar to Protocol Knight 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.
Utrom Scientists86%
$0.13#221620.000.5 years↓
"When this creature enters, tap up to one target creature and put a stun counter on it."
Shipwreck Patrol86%
$0.17↑#30233↓0.000.2 years↓
"When this creature enters, tap target creature an opponent controls and put a stun counter on it."
Alchemax Slayer-Bots86%
$0.22↑#18129↑0.17↑0.9 years↓
"When this creature enters, tap target creature an opponent controls and put a stun counter on it."
Rowdy Snowballers86%
$0.17↑#13993↑0.000.8 years↓
"When this creature enters, tap target creature an opponent controls and put a stun counter on it."
Fractal Mascot86%
$0.13#225950.000.4 years↓
"When this creature enters, tap target creature an opponent controls. Put a stun counter on it."
Fear of Immobility85%
$0.11↓#17042↑0.18↑1.9 years↓
"When this creature enters, tap up to one target creature. If an opponent controls that creature, put a stun counter on it."
Stitched Mangler82%
$0.11↓#210620.18↑10.4 years↑
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."
Kor Hookmaster82%
$0.05↓#256060.1316.9 years↑
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."
Watertrap Weaver82%
$0.06↓#222060.53↑8.9 years↑
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."
Frost Lynx82%
$0.04↓#197630.41↑12.1 years↑
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."
Chillbringer82%
$0.05↓#260130.067.6 years↑
"When this creature enters, tap target creature an opponent controls. It doesn't untap during its controller's next untap step."
Frost Trickster82%
$0.10↓#17571↑0.115.4 years↑
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."
Spire Patrol82%
$0.21↑#283150.18↑9.6 years↑
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."
Donatello, Rad Scientist82%
$0.38↑#18960↑0.000.5 years↓
"When this card enters, tap up to three target creatures your opponents control. Put a stun counter on each of them."
Tranquilize81%
$0.17↑#13061↑0.57↑2.2 years↓
"Tap target creature an opponent controls and put three stun counters on it."
Procrastinate80%
$0.20↑#13400↑0.000.4 years↓
"Tap target creature. Put twice X stun counters on it."
Gilded Scuttler80%
$0.26↑#14055↑0.151.8 years↓
"When this creature enters, tap target creature an opponent controls and put a stun counter on it."
Dreamdew Entrancer80%
$0.32↑#6904↑0.47↑2.1 years↓
"When this creature enters, tap up to one target creature and put three stun counters on it. If you control that creature, draw two cards."
Collector's Case80%
$0.16↑#272150.000.2 years↓
"When this artifact enters, tap up to one target creature and put two stun counters on it."
Constrictor Sage78%
$0.15↑#214750.22↑1.4 years↓
"When this creature enters, tap target creature an opponent controls and put a stun counter on it."