Voracious Wurm 

Creature — Wurm
This creature enters with X +1/+1 counters on it, where X is the amount of life you've gained this turn.
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.
Cogwork Grinder 93%
$0.26#31616
"This creature enters with X +1/+1 counters on it, where X is the number of cards you removed from the draft with cards named this card."
Ambitious Dragonborn 92%
$0.27#12402
"This creature enters with X +1/+1 counters on it, where X is the greatest power among creatures you control and creature cards in your graveyard."
Apocalypse Hydra 91%
$0.71#10041
"This creature enters with X +1/+1 counters on it. If X is 5 or more, it enters with an additional X +1/+1 counters on it."