Primal Adversary 

Creature — Wolf
$1.01 #12391 0.00 5.1 years
Trample
When this creature enters, you may pay 
any number of times. When you pay this cost one or more times, put that many +1/+1 counters on this creature, then up to that many target lands you control become 3/3 Wolf creatures with haste that are still lands.
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Cards similar to Primal Adversary 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.
Wall of Resurgence82%
$0.10↓#21829↓0.0010.7 years↑
"When this creature enters, you may put three +1/+1 counters on target land you control. If you do, that land becomes a 0/0 Elemental creature with haste that's still a land."
Tainted Adversary76%
$1.21↑#117310.25↑5.1 years
"When this creature enters, you may pay 
any number of times. When you pay this cost one or more times, put that many +1/+1 counters on this creature, then create twice that many 2/2 black Zombie creature tokens with decayed."
Rootwise Survivor73%
$0.13↓#23684↓0.37↑2.1 years↓
"At the beginning of your second main phase, if this creature is tapped, put three +1/+1 counters on up to one target land you control. That land becomes a 0/0 Elemental creature in addition to its other types. It gains haste until your next turn."
Cyclone Sire73%
$0.10↓#28233↓0.0710.7 years↑
"When this creature dies, you may put three +1/+1 counters on target land you control. If you do, that land becomes a 0/0 Elemental creature with haste that's still a land."
Waker of the Wilds71%
$0.21↓#16705↓0.009.1 years↑
"

: Put X +1/+1 counters on target land you control. That land becomes a 0/0 Elemental creature with haste. It's still a land."
Roaring Earth70%
$0.36↓#5394↑0.14↑4.7 years
"

, Discard this card: Put X +1/+1 counters on target land you control. It becomes a 0/0 green Spirit creature with haste. It's still a land."