Assassin Den 

Creature — Wall
$0.24 #16451 0.07 2.3 years
Defender (This creature can't attack.)
Click a line or tag to filter
Cards similar to Assassin Den 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.
Stealth Mission88%
$0.14↓#158730.19↑7.5 years↑
"Put two +1/+1 counters on target creature you control. That creature can't be blocked this turn."
Suspicious Bookcase88%
$0.18↓#5133↑0.008.3 years↑
"
,
: Target creature can't be blocked this turn."
+1 more matching line
Treetop Snarespinner85%
$0.22↓#8443↑0.061.9 years
"
: Put a +1/+1 counter on target creature you control. Activate only as a sorcery."
Zhuge Jin, Wu Strategist82%
$76.91↑#27573↓0.18↑27.5 years↑
"
: Target creature can't be blocked this turn. Activate only during your turn, before attackers are declared."
Trygon Prime82%
$0.40↑#12172↑0.064.0 years↑
"Whenever this creature attacks, put a +1/+1 counter on it and a +1/+1 counter on up to one other target attacking creature. That creature can't be blocked this turn."