Tervigon 
Creature — Tyranid
$3.87 #5799 0.29 3.9 years
Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)
Trample
Spawn Termagants — Whenever this creature deals combat damage to a player, create that many 1/1 green Tyranid creature tokens.
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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.
Living Hive94%
$1.13↓#11510↓0.2322.9 years↑
"Whenever this creature deals combat damage to a player, create that many 1/1 green Insect creature tokens."
+1 more matching line
Aberrant94%
$4.81↑#57730.56↑3.9 years
"Ravenous"
+1 more matching line
Broodlord93%
$1.52↓#8282↓0.353.9 years
"Ravenous"
Mawloc92%
$3.55↓#7205↓0.00↓3.9 years
"Ravenous"
Tana, the Bloodsower91%
$4.48↑#14033↓0.86↑9.8 years↑
"Whenever this card deals combat damage to a player, create that many 1/1 green Saproling creature tokens."
+1 more matching line
Ravener91%
$1.14↓#10109↓0.353.9 years
"Ravenous"
Exocrine90%
$1.76↓#7117↓0.05↓3.9 years
"Ravenous"
Termagant Swarm89%
$2.54↓#66560.373.9 years
"Ravenous"
Sporocyst88%
$12.15↑#47940.42↑3.9 years
"Ravenous"
Hormagaunt Horde88%
$0.58↓#9771↓0.45↑3.9 years
"Ravenous"
Zoanthrope88%
$1.73↓#68580.82↑3.9 years
"Ravenous"
Jacked Rabbit88%
$4.03↑#2130↑0.242.1 years↓
"Ravenous"
+1 more matching line
Tyrant Guard88%
$4.81↑#57640.80↑3.9 years
"Ravenous"
Elsha, Threefold Master87%
$0.35↓#65670.201.4 years↓
"Whenever this card deals combat damage to a player, create that many 1/1 white Monk creature tokens with prowess."
+1 more matching line
Rapacious One84%
$0.13↓#10328↓0.06↓16.4 years↑
"Whenever this creature deals combat damage to a player, create that many 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add 
.""
.""
Falcon and Redwing84%
$0.95↓#11779↓0.00↓0.2 years↓
"Whenever this card deal combat damage to a player, create that many 1/1 white Bird creature tokens with flying, then put a +1/+1 counter on this card."
Scepter of Celebration83%
$3.18↓#8106↓0.274.4 years
"Whenever equipped creature deals combat damage to a player, create that many 1/1 green and white Citizen creature tokens."
Pollenbright Wings82%
$0.20↓#14399↓0.00↓20.9 years↑
"Whenever enchanted creature deals combat damage to a player, create that many 1/1 green Saproling creature tokens."
Lathril, Blade of the Elves81%
$1.57↓#2044↑0.91↑5.6 years↑
"Whenever this card deals combat damage to a player, create that many 1/1 green Elf Warrior creature tokens."
Precinct Captain81%
$0.24↓#11137↓0.2513.9 years↑
"Whenever this creature deals combat damage to a player, create a 1/1 white Soldier creature token."