Clockwork Hydra 
Artifact Creature — Hydra
$0.23 #17565 0.06 19.9 years
This creature enters with four +1/+1 counters on it.
Whenever this creature attacks or blocks, remove a +1/+1 counter from it. If you do, it deals 1 damage to any target.
: Put a +1/+1 counter on this creature.Click a line or tag to filter
Cards similar to Clockwork 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.
Walking Ballista88%
$7.21↑#430↑1.25↑9.6 years↓
"This creature enters with X +1/+1 counters on it."
+2 more matching lines
Monoskelion88%
$0.11↓#185220.055.2 years↓
"This creature enters with a +1/+1 counter on it."
+1 more matching line
Karplusan Wolverine87%
$0.14↓#23417↓0.0021.0 years↑
"Whenever this creature becomes blocked, you may have it deal 1 damage to any target."
Triskelion87%
$0.27↑#4726↑0.20↑32.5 years↑
"This creature enters with three +1/+1 counters on it."
+1 more matching line
Raging Regisaur86%
$0.23#9021↑0.128.6 years↓
"Whenever this creature attacks, it deals 1 damage to any target."
Elite Javelineer85%
$0.06↓#31566↓0.0028.9 years↑
"Whenever this creature blocks, it deals 1 damage to target attacking creature."
Close Quarters84%
$0.26↑#23787↓0.0026.9 years↑
"Whenever a creature you control becomes blocked, this enchantment deals 1 damage to any target."
Spitting Hydra84%
$0.42↑#30821↓0.19↑28.5 years↑
"This creature enters with four +1/+1 counters on it."
Botanical Brawler84%
$0.32↑#6758↑0.27↑3.4 years↓
"This creature enters with two +1/+1 counters on it."
+1 more matching line
Preyseizer Dragon82%
$0.37↑#186260.0014.3 years↓
"Whenever this creature attacks, it deals damage to any target equal to the number of +1/+1 counters on this creature."
Smoldering Werewolf // Erupting Dreadwolf82%
$0.22↓#21528↓0.47↑10.1 years↓
"Whenever this creature attacks, it deals 2 damage to any target."
Clockwork Vorrac82%
$0.12↓#24989↓0.0022.9 years↑
"This creature enters with four +1/+1 counters on it."
+2 more matching lines
Triskelavus82%
$0.18↓#194550.80↑19.9 years
"This creature enters with three +1/+1 counters on it."
Goblin Javelineer82%
$0.14↓#145150.21↑5.1 years↓
"Whenever this creature becomes blocked, it deals 1 damage to target creature blocking it."
Ashmouth Hound82%
$0.04↓#22732↓0.24↑14.9 years↓
"Whenever this creature blocks or becomes blocked by a creature, this creature deals 1 damage to that creature."
Ornery Goblin82%
$0.08↓#22058↓0.57↑7.9 years↓
"Whenever this creature blocks or becomes blocked by a creature, this creature deals 1 damage to that creature."
Skewer Slinger82%
$0.17↓#197420.25↑3.0 years↓
"Whenever this creature blocks or becomes blocked by a creature, this creature deals 1 damage to that creature."
Vebulid82%
$0.69↑#26183↓0.0027.9 years↑
"This creature enters with a +1/+1 counter on it."
+1 more matching line
Wiitigo82%
$0.44↑#30395↓0.45↑31.3 years↑
"This creature enters with six +1/+1 counters on it."
+1 more matching line
Inferno Elemental82%
$0.11↓#29177↓0.0017.1 years↓
"Whenever this creature blocks or becomes blocked by a creature, this creature deals 3 damage to that creature."