Archipelagore 
Creature — Leviathan
$0.14 #9454 0.50 6.5 years
Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
(If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)Whenever this creature mutates, tap up to X target creatures, where X is the number of times this creature has mutated. Those creatures don't untap during their controller's next untap step.
Click a line or tag to filter
Cards similar to Archipelagore 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.
Frost Breath87%
$0.07↓#18110↓0.29↓15.3 years↑
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Decision Paralysis87%
$0.05↓#27397↓0.20↓9.5 years↑
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Permafrost Trap86%
$0.15↑#26391↓0.19↓16.7 years↑
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Frostveil Ambush86%
$0.17↑#21021↓0.13↓6.5 years
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Succumb to the Cold85%
$0.28↑#107460.533.1 years↓
"Tap one or two target creatures an opponent controls. Put a stun counter on each of them."
Donatello, Rad Scientist85%
$0.35↑#18700↓0.450.6 years↓
"When this card enters, tap up to three target creatures your opponents control. Put a stun counter on each of them."
Sharktocrab84%
$0.20↑#14774↓0.19↓7.7 years↑
"Whenever one or more +1/+1 counters are put on this creature, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."
Will of the Naga83%
$0.05↓#27309↓0.69↑11.7 years↑
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Saiba Trespassers83%
$0.17↑#23785↓0.16↓4.7 years↓
"
, Discard this card: Tap up to two target creatures you don't control. Those creatures don't untap during their controller's next untap step."
, Discard this card: Tap up to two target creatures you don't control. Those creatures don't untap during their controller's next untap step."
Take into Custody82%
$0.04↓#23846↓0.06↓9.7 years↑
"Tap target creature. It doesn't untap during its controller's next untap step."
Snow Day82%
$0.14#24656↓0.15↓5.5 years
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Send to Sleep82%
$0.07↓#19580↓0.12↓11.3 years↑
"Tap up to two target creatures."
Press for Answers82%
$0.06↓#20546↓0.12↓10.5 years↑
"Tap target creature. It doesn't untap during its controller's next untap step."
Chillbringer82%
$0.06↓#26268↓0.06↓7.7 years↑
"When this creature enters, tap target creature an opponent controls. It doesn't untap during its controller's next untap step."
Frost Lynx82%
$0.04↓#20063↓0.27↓12.3 years↑
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."
Frost Trickster82%
$0.10↓#17862↓0.25↓5.5 years
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."
Spire Patrol82%
$0.05↓#28618↓0.04↓9.7 years↑
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."
Stitched Mangler82%
$0.13↓#21336↓0.31↓10.5 years↑
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."
Watertrap Weaver82%
$0.08↓#22463↓0.39↓9.1 years↑
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."
Kor Hookmaster82%
$0.05↓#25885↓0.06↓17.0 years↑
"When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step."