Primeval Force 
Creature — Elemental
$0.22 #30741 0.12 29.5 years
When this creature enters, sacrifice it unless you sacrifice three Forests.
Click a line or tag to filter
Cards similar to Primeval Force 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.
Plant Elemental100%
$0.33↑#317920.00↓29.5 years
"When this creature enters, sacrifice it unless you sacrifice a Forest."
Rogue Elephant100%
$0.19↓#303270.0529.4 years
"When this creature enters, sacrifice it unless you sacrifice a Forest."
Scythe Tiger88%
$0.15↓#271280.00↓17.0 years↓
"When this creature enters, sacrifice it unless you sacrifice a land."
Foul Spirit88%
$0.52↑#319700.0528.3 years↓
"When this creature enters, sacrifice a land."
Rathi Dragon84%
$0.40↑#313780.00↓29.0 years
"When this creature enters, sacrifice it unless you sacrifice two Mountains."
Mold Demon82%
$17.95↑#316430.1132.4 years↑
"When this creature enters, sacrifice it unless you sacrifice two Swamps."
Jungle Basin82%
$0.50↑#6037↑0.01↓29.7 years
"When this land enters, sacrifice it unless you return an untapped Forest you control to its owner's hand."
Bull Elephant82%
$0.21↓#305100.00↓30.0 years
"When this creature enters, sacrifice it unless you return two Forests you control to their owner's hand."
Wood Elemental80%
$19.79↑#303660.00↓32.4 years↑
"As this creature enters, sacrifice any number of untapped Forests."
Rootwater Alligator80%
$0.20↓#302130.00↓28.3 years↓
"Sacrifice a Forest: Regenerate this creature."
Cosmic Larva79%
$0.38↑#19799↑0.1222.4 years↓
"At the beginning of your upkeep, sacrifice this creature unless you sacrifice two lands."
Dark Heart of the Wood79%
$0.14↓#246970.1132.2 years↑
"Sacrifice a Forest: You gain 3 life."
Heart of Yavimaya78%
$4.54↑#24552↑0.0430.4 years
"If this land would enter, sacrifice a Forest instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard."
Fungus Elemental78%
$0.67↑#310660.0629.4 years
", Sacrifice a Forest: Put a +2/+2 counter on this creature. Activate only if this creature entered this turn."
, Sacrifice a Forest: Put a +2/+2 counter on this creature. Activate only if this creature entered this turn."
Goblin Clearcutter78%
$0.32↑#294940.2023.7 years↓
"
, Sacrifice a Forest: Add three mana in any combination of 
and/or ."
, Sacrifice a Forest: Add three mana in any combination of and/or ."
Orcish Lumberjack76%
$0.84↑#2923↑0.52↑31.4 years↑
", Sacrifice a Forest: Add three mana in any combination of and/or ."
, Sacrifice a Forest: Add three mana in any combination of and/or ."
Foratog76%
$0.15↓#22149↑0.0630.0 years
", Sacrifice a Forest: This creature gets +2/+2 until end of turn."
, Sacrifice a Forest: This creature gets +2/+2 until end of turn."
Jokulmorder75%
$0.60↑#24405↑0.0520.2 years↓
"When this creature enters, sacrifice it unless you sacrifice five lands."
Lithophage75%
$0.14↓#314140.00↓27.0 years↓
"At the beginning of your upkeep, sacrifice this creature unless you sacrifice a Mountain."
Loam Lion74%
$0.20↓#16181↑0.00↓16.7 years↓
"This creature gets +1/+2 as long as you control a Forest."