Kalonian Hydra 
Creature — Hydra
$6.14 #1136 0.48 13.3 years
Trample
This creature enters with four +1/+1 counters on it.
Whenever this creature attacks, double the number of +1/+1 counters on each creature you control.
Click a line or tag to filter
Cards similar to Kalonian Hydra 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.
Lily Bowen, Raging Grandma95%
$0.46↓#7080↓0.25↓2.6 years↓
"this card enters with two +1/+1 counters on it."
Hulk, Strongest There Is94%
$0.92↓#15836↓0.470.3 years↓
"this card enters with a +1/+1 counter on him."
+2 more matching lines
Byrke, Long Ear of the Law94%
$7.22↑#6029↓0.14↓2.2 years↓
"Whenever a creature you control with a +1/+1 counter on it attacks, double the number of +1/+1 counters on it."
Mossborn Hydra94%
$13.45↑#747↑0.95↑1.9 years↓
"This creature enters with a +1/+1 counter on it."
Oran-Rief Ooze92%
$0.30↓#7813↓0.20↓6.1 years↓
"Whenever this creature attacks, put a +1/+1 counter on each attacking creature with a +1/+1 counter on it."
+1 more matching line
Kinetic Ooze88%
$0.33↓#7000↓0.33↓0.5 years↓
"This creature enters with X +1/+1 counters on it."
Ascendant Acolyte88%
$0.32↓#11286↓0.29↓4.7 years↓
"At the beginning of your upkeep, double the number of +1/+1 counters on this creature."
+1 more matching line
Sisterhood of Karn87%
$0.23↓#12410↓0.37↓3.0 years↓
"This creature enters with a +1/+1 counter on it."
Bristly Bill, Spine Sower87%
$24.37↑#9181.00↑2.5 years↓
": Double the number of +1/+1 counters on each creature you control."
: Double the number of +1/+1 counters on each creature you control."
Big Mother Mouser86%
$1.28↓#4796↓0.31↓0.6 years↓
"Whenever this creature attacks, double the number of +1/+1 counters on it."
+1 more matching line
Ornery Tumblewagg86%
$0.36↓#5181↓0.22↓2.5 years↓
"Whenever this creature attacks while saddled, double the number of +1/+1 counters on target creature."
Primordial Hydra86%
$1.37↓#2429↓0.5515.3 years↑
"At the beginning of your upkeep, double the number of +1/+1 counters on this creature."
+1 more matching line
Voracious Hydra84%
$0.26↓#2749↓0.28↓7.3 years↓
"This creature enters with X +1/+1 counters on it."
+2 more matching lines
Renegade Krasis83%
$0.32↓#15047↓0.06↓13.5 years
"Whenever this creature evolves, put a +1/+1 counter on each other creature you control with a +1/+1 counter on it."
Botanical Brawler83%
$0.26↓#6899↓0.06↓3.5 years↓
"This creature enters with two +1/+1 counters on it."
+1 more matching line
Aetheric Amplifier83%
$0.56↓#2277↓0.35↓1.7 years↓
"• Double the number of each kind of counter you have."
The Thing83%
$0.37↓#15354↓0.420.3 years↓
"Whenever this card attacks, you may pay 
. When you do, double the number of each kind of counter on any number of target permanents you control."
. When you do, double the number of each kind of counter on any number of target permanents you control."+1 more matching line
Court of Garenbrig82%
$13.94↑#2302↓0.383.1 years↓
"At the beginning of your upkeep, distribute two +1/+1 counters among up to two target creatures. Then if you're the monarch, double the number of +1/+1 counters on each creature you control."
Sazh Katzroy81%
$0.51↓#5119↓0.25↓1.4 years↓
"Whenever this card attacks, put a +1/+1 counter on target creature, then double the number of +1/+1 counters on that creature."
Seismic Tutelage80%
$0.90↓#11095↓0.31↓0.9 years↓
"Whenever enchanted creature attacks, double the number of +1/+1 counters on it."