Clockwork Hydra 
Artifact Creature — Hydra
$0.18 #17890 0.00 20.0 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%
$5.38↑#420↑1.32↑9.7 years↓
"This creature enters with X +1/+1 counters on it."
+2 more matching lines
Karplusan Wolverine87%
$0.12↓#23737↓0.25↑21.2 years↑
"Whenever this creature becomes blocked, you may have it deal 1 damage to any target."
Monoskelion87%
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"This creature enters with a +1/+1 counter on it."
+1 more matching line
Triskelion86%
$0.27↑#4826↑0.35↑32.6 years↑
"This creature enters with three +1/+1 counters on it."
+1 more matching line
Raging Regisaur86%
$0.24↑#9217↑0.19↑8.8 years↓
"Whenever this creature attacks, it deals 1 damage to any target."
Elite Javelineer85%
$0.06↓#31858↓0.0029.0 years↑
"Whenever this creature blocks, it deals 1 damage to target attacking creature."
Close Quarters84%
$0.27↑#24261↓0.0027.0 years↑
"Whenever a creature you control becomes blocked, this enchantment deals 1 damage to any target."
Spitting Hydra84%
$0.40↑#31133↓0.0728.6 years↑
"This creature enters with four +1/+1 counters on it."
Botanical Brawler84%
$0.26↑#6899↑0.063.5 years↓
"This creature enters with two +1/+1 counters on it."
+1 more matching line
Preyseizer Dragon82%
$0.36↑#188680.13↑14.4 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%
$0.15↓#21649↓0.14↑10.2 years↓
"Whenever this creature attacks, it deals 2 damage to any target."
Clockwork Vorrac82%
$0.11↓#25338↓0.31↑23.0 years↑
"This creature enters with four +1/+1 counters on it."
+2 more matching lines
Goblin Javelineer82%
$0.18#147630.21↑5.2 years↓
"Whenever this creature becomes blocked, it deals 1 damage to target creature blocking it."
Ashmouth Hound82%
$0.05↓#23093↓0.0015.1 years↓
"Whenever this creature blocks or becomes blocked by a creature, this creature deals 1 damage to that creature."
Ornery Goblin82%
$0.10↓#22414↓0.10↑8.0 years↓
"Whenever this creature blocks or becomes blocked by a creature, this creature deals 1 damage to that creature."
Wiitigo82%
$0.46↑#30611↓0.0631.4 years↑
"This creature enters with six +1/+1 counters on it."
+1 more matching line
Vebulid82%
$0.73↑#26483↓0.0628.0 years↑
"This creature enters with a +1/+1 counter on it."
+1 more matching line
Inferno Elemental82%
$0.08↓#29531↓0.0417.3 years↓
"Whenever this creature blocks or becomes blocked by a creature, this creature deals 3 damage to that creature."
Triskelavus81%
$0.19↑#198140.0620.0 years
"This creature enters with three +1/+1 counters on it."
Apocalypse Hydra81%
$0.65↑#10567↑0.0017.7 years↓
"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."
+1 more matching line