Phyrexian Marauder 
Artifact Creature — Phyrexian Construct
$3.38 #16527 0.05 29.6 years
This creature enters with X +1/+1 counters on it.
This creature can't block.
This creature can't attack unless you pay 
for each +1/+1 counter on it.
for each +1/+1 counter on it.Click a line or tag to filter
Cards similar to Phyrexian Marauder 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.
Myr Prototype94%
$0.16↓#23265↓0.50↑22.9 years↓
"This creature can't attack or block unless you pay for each +1/+1 counter on it."
for each +1/+1 counter on it."+1 more matching line
Pipsqueak, Rebel Strongarm92%
$0.17↓#26736↓0.000.8 years↓
"this card can't attack alone unless he has a +1/+1 counter on him."
Raging Kronch90%
$0.04↓#30133↓0.007.3 years↓
"This creature can't attack alone."
Trusty Companion90%
$0.12↓#31075↓0.29↑9.9 years↓
"This creature can't attack alone."
Bonded Construct90%
$0.04↓#22623↓0.29↑11.1 years↓
"This creature can't attack alone."
Giant Turtle88%
$0.43↓#27385↓0.0032.3 years↑
"This creature can't attack if it attacked during your last turn."
Qal Sisma Behemoth86%
$0.05↓#30717↓0.0011.4 years↓
"This creature can't attack or block unless you pay 
."
."
Ivy Elemental85%
$0.15↓#179760.19↑24.9 years↓
"This creature enters with X +1/+1 counters on it."
Endless One85%
$1.00↓#6024↑0.0510.9 years↓
"This creature enters with X +1/+1 counters on it."
Adaptive Shimmerer84%
$0.12↓#23169↓0.006.4 years↓
"This creature enters with three +1/+1 counters on it."
Faithful Watchdog84%
$0.17↓#8717↑0.24↑2.2 years↓
"This creature enters with three +1/+1 counters on it."
Jackal Familiar84%
$0.13↓#29760↓0.69↑17.1 years↓
"This creature can't attack or block alone."
Ember Beast84%
$0.03↓#30048↓0.0024.9 years↓
"This creature can't attack or block alone."
Bonded Horncrest84%
$0.12↓#27197↓0.18↑8.9 years↓
"This creature can't attack or block alone."
Mogg Flunkies84%
$0.04↓#22181↓0.29↑28.5 years↓
"This creature can't attack or block alone."
Militia Rallier82%
$0.13↓#26126↓0.47↑4.8 years↓
"This creature can't attack alone."
Loyal Pegasus82%
$0.20↓#193850.0012.6 years↓
"This creature can't attack or block alone."
Savage Firecat82%
$0.28↓#30772↓0.24↑24.9 years↓
"This creature enters with seven +1/+1 counters on it."
Shivan Devastator82%
$3.35↓#4151↑0.21↑4.4 years↓
"This creature enters with X +1/+1 counters on it."
Nimbus Swimmer82%
$0.21↓#136740.0013.6 years↓
"This creature enters with X +1/+1 counters on it."