Leonardo, the Balance 

Legendary Creature — Mutant Ninja Turtle
$0.74 #8274 0.00 0.5 years
Whenever a token you control enters, you may put a +1/+1 counter on each creature you control. Do this only once each turn.
Partner—Character select (You can have two commanders if both have this ability.)
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Cards similar to Leonardo, the Balance 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.
Woodland Champion84%
$0.18↓#14067↓0.22↑7.2 years↑
"Whenever one or more tokens you control enter, put that many +1/+1 counters on this creature."
Cloakwood Swarmkeeper83%
$0.22↓#14239↓0.27↑4.2 years↑
"Whenever one or more tokens you control enter, put a +1/+1 counter on this creature."
Belladonna Took81%
$4.21↑#71630.000.1 years
"Whenever a token you control enters, you gain 1 life if this is the first time this ability has resolved this turn. If it's the second time, draw a card. If it's the third time, put a +1/+1 counter on each creature you control."
Rosie Cotton of South Lane80%
$0.31↓#1253↑0.33↑3.2 years↑
"Whenever you create a token, put a +1/+1 counter on target creature you control other than Rosie Cotton."
Wildwood Mentor78%
$0.39↓#13784↓0.043.0 years↑
"Whenever a token you control enters, put a +1/+1 counter on this creature."
Swarm Guildmage76%
$0.13↓#22050↓0.007.9 years↑
"
,
: Creatures you control get +1/+0 and gain menace until end of turn."
Victory's Envoy75%
$0.34↓#98850.006.6 years↑
"At the beginning of your upkeep, put a +1/+1 counter on each other creature you control."
Cathars' Crusade74%
$5.04↑#556↑1.17↑14.3 years↑
"Whenever a creature you control enters, put a +1/+1 counter on each creature you control."
Katara, Heroic Healer74%
$0.81↑#13121↓0.000.8 years
"When this card enters, put a +1/+1 counter on each other creature you control."
Durable Handicraft72%
$0.11↓#20314↓0.009.9 years↑
"Whenever a creature you control enters, you may pay
. If you do, put a +1/+1 counter on that creature."
Rattleback Apothecary72%
$0.15↓#11374↓0.002.4 years↑
"Whenever you commit a crime, target creature you control gains your choice of menace or lifelink until end of turn."
Mister Fantastic, Reed Richards72%
$0.28↓#69720.000.2 years
"Whenever one or more tokens you control enter, you may draw a card."
Alabaster Mage72%
$0.17↓#20745↓0.57↑15.1 years↑
"
: Target creature you control gains lifelink until end of turn."
Spiritcall Enthusiast // Scrollboost72%
$0.20↓#19246↓0.000.4 years
"Whenever one or more tokens you control enter, this creature becomes prepared."
Generous Pup71%
$7.08↑#5565↑0.17↑1.8 years↑
"Whenever one or more +1/+1 counters are put on this creature, put a +1/+1 counter on each other creature you control. This ability triggers only once each turn."
Revival of the Ancestors71%
$0.16↓#11640↓0.11↑1.4 years
"Creatures you control gain trample and lifelink until end of turn."