Primordial Hydra {X}{G}{G}
Creature — Hydra
This creature enters with X +1/+1 counters on it.
At the beginning of your upkeep, double the number of +1/+1 counters on this creature.
This creature has trample as long as it has ten or more +1/+1 counters on it.
click a line to search just that ability, click more to combine them
Cards that do something similar 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.
Ascendant Acolyte 100%
$0.33#10675
"At the beginning of your upkeep, double the number of +1/+1 counters on this creature."
+1 more matching line
Pelt Collector 86%
$0.40#14634
"As long as this creature has three or more +1/+1 counters on it, it has trample."
Hydra's Growth 80%
$1.67#2056
"At the beginning of your upkeep, double the number of +1/+1 counters on enchanted creature."
Towering Titan 83%
$0.32#4823
"This creature enters with X +1/+1 counters on it, where X is the total toughness of other creatures you control."