Tervigon 
Creature — Tyranid
$4.24 #5934 0.10 4.0 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.
Click a line or tag to filter
Cards similar to Tervigon 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.
Living Hive94%
$0.40↓#11770↓0.44↑23.0 years↑
"Whenever this creature deals combat damage to a player, create that many 1/1 green Insect creature tokens."
Aberrant94%
$5.06↑#59050.53↑4.0 years
"Ravenous"
+1 more matching line
Broodlord92%
$1.04↓#8476↓0.32↑4.0 years
"Ravenous"
Mawloc92%
$3.40↓#7388↓0.144.0 years
"Ravenous"
Tana, the Bloodsower91%
$4.86↑#14291↓0.44↑9.9 years↑
"Whenever this card deals combat damage to a player, create that many 1/1 green Saproling creature tokens."
+1 more matching line
Ravener91%
$0.99↓#10340↓0.21↑4.0 years
"Ravenous"
Exocrine90%
$1.32↓#7366↓0.52↑4.0 years
"Ravenous"
Sporocyst88%
$9.00↑#49080.124.0 years
"Ravenous"
Termagant Swarm88%
$2.39↓#68470.53↑4.0 years
"Ravenous"
Zoanthrope88%
$1.53↓#70100.164.0 years
"Ravenous"
Hormagaunt Horde88%
$0.45↓#10025↓0.00↓4.0 years
"Ravenous"
Jacked Rabbit88%
$4.17↓#2196↑0.37↑2.2 years↓
"Ravenous"
+1 more matching line
Elsha, Threefold Master88%
$0.39↓#64640.45↑1.5 years↓
"Whenever this card deals combat damage to a player, create that many 1/1 white Monk creature tokens with prowess."
Tyrant Guard88%
$4.77↑#58980.054.0 years
"Ravenous"
Rapacious One84%
$0.13↓#10545↓0.0616.5 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 
.""
.""
Scepter of Celebration83%
$3.32↓#8405↓0.184.5 years
"Whenever equipped creature deals combat damage to a player, create that many 1/1 green and white Citizen creature tokens."
Pollenbright Wings83%
$0.20↓#14756↓0.47↑21.0 years↑
"Whenever enchanted creature deals combat damage to a player, create that many 1/1 green Saproling creature tokens."
Lathril, Blade of the Elves81%
$1.49↓#1993↑0.96↑5.7 years↑
"Whenever this card deals combat damage to a player, create that many 1/1 green Elf Warrior creature tokens."
Precinct Captain81%
$0.25↓#11463↓0.22↑14.0 years↑
"Whenever this creature deals combat damage to a player, create a 1/1 white Soldier creature token."
Falcon and Redwing80%
$0.70↓#10299↓0.21↑0.3 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."