Polar Kraken 



Creature — Kraken
$3.78 #25632 0.20 31.3 years
Trample
This creature enters tapped.
Cumulative upkeep—Sacrifice a land. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Click a line or tag to filter
Cards similar to Polar Kraken 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.
Cosmic Larva94%
$0.36↓#19553↑0.2922.3 years↓
"At the beginning of your upkeep, sacrifice this creature unless you sacrifice two lands."
+1 more matching line
Bog Elemental92%
$0.25↓#303540.00↓26.3 years↓
"At the beginning of your upkeep, sacrifice this creature unless you sacrifice a land."
Territorial Dispute92%
$0.42↓#288431.39↑26.9 years↓
"At the beginning of your upkeep, sacrifice this enchantment unless you sacrifice a land."
Lithophage88%
$0.32↓#31102↓0.07↓26.9 years↓
"At the beginning of your upkeep, sacrifice this creature unless you sacrifice a Mountain."
Scythe Tiger84%
$0.13↓#267070.2516.9 years↓
"When this creature enters, sacrifice it unless you sacrifice a land."
The Gitrog Monster82%
$0.51↓#904↑0.88↑10.4 years↓
"At the beginning of your upkeep, sacrifice this card unless you sacrifice a land."