Gulf Squid 

Creature — Squid Beast
$0.15 #27248 0.46 26.3 years
When this creature enters, tap all lands target player controls.
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Cards similar to Gulf Squid 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.
Stensia Innkeeper88%
$0.13↓#291310.69↑10.1 years↓
"When this creature enters, tap target land an opponent controls. That land doesn't untap during its controller's next untap step."
Mana Web80%
$18.78↑#11551↑1.39↑29.2 years↑
"Whenever a land an opponent controls is tapped for mana, tap all lands that player controls that could produce any type of mana that land could produce."
Tectonic Instability79%
$3.63↑#14120↑1.35↑25.9 years
"Whenever a land enters, tap all lands its controller controls."
Mana Short78%
$0.39↑#15492↑1.02↑33.1 years↑
"Tap all lands target player controls and that player loses all unspent mana."
Mana Leech77%
$0.20↑#301520.5027.9 years↑
"
: Tap target land. It doesn't untap during its controller's untap step for as long as this creature remains tapped."
Mole Worms77%
$0.18↑#300570.5331.3 years↑
"
: Tap target land. It doesn't untap during its controller's untap step for as long as this creature remains tapped."
Mana Skimmer74%
$0.10↓#298850.4319.9 years↓
"Whenever this creature deals damage to a player, tap target land that player controls. That land doesn't untap during its controller's next untap step."
Floodbringer74%
$0.14↓#18835↑0.4121.6 years↓
"
, Return a land you control to its owner's hand: Tap target land."
Chandra's Revolution73%
$0.07↓#21676↑0.539.6 years↓
"this card deals 4 damage to target creature. Tap target land. That land doesn't untap during its controller's next untap step."
Curse of Marit Lage72%
$2.64↑#256051.06↑31.3 years↑
"When this enchantment enters, tap all Islands."
War's Toll72%
$9.87↑#5350↑1.25↑20.3 years↓
"Whenever an opponent taps a land for mana, tap all lands that player controls."