Downhill Charge 
Instant
$0.28 #12393 0.14 26.7 years
You may sacrifice a Mountain rather than pay this spell's mana cost.
Target creature gets +X/+0 until end of turn, where X is the number of Mountains you control.
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Cards similar to Downhill Charge expected a card that isn't here?
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Thunderclap98%
$0.18↓#15938↓0.00↓27.0 years
"You may sacrifice a Mountain rather than pay this spell's mana cost."
Crash98%
$0.23↓#24310↓0.30↑27.0 years
"You may sacrifice a Mountain rather than pay this spell's mana cost."
Fireblast96%
$0.79↑#17545↓0.1429.7 years↑
"You may sacrifice two Mountains rather than pay this spell's mana cost."
Mogg Alarm96%
$0.23↓#19224↓0.00↓26.7 years
"You may sacrifice two Mountains rather than pay this spell's mana cost."
Mine Collapse96%
$0.19↓#133440.00↓5.3 years↓
"If it's your turn, you may sacrifice a Mountain rather than pay this spell's mana cost."
Pulverize94%
$1.33↑#25948↓0.26↑27.0 years
"You may sacrifice two Mountains rather than pay this spell's mana cost."
Rathi Dragon78%
$0.40↑#31378↓0.00↓29.0 years↑
"When this creature enters, sacrifice it unless you sacrifice two Mountains."
Seismic Strike78%
$0.09↓#140740.31↑17.3 years↓
"this card deals damage to target creature equal to the number of Mountains you control."
Spitting Earth78%
$0.06↓#134610.1930.0 years↑
"this card deals damage to target creature equal to the number of Mountains you control."
Lithophage77%
$0.14↓#31414↓0.00↓27.0 years
"At the beginning of your upkeep, sacrifice this creature unless you sacrifice a Mountain."
Lava Dart77%
$0.94↑#6195↑0.29↑24.4 years↓
"Flashback—Sacrifice a Mountain. You may cast this card from your graveyard for its flashback cost. Then exile it."
Mind Swords76%
$0.17↓#24542↓0.65↑26.7 years
"If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost."
Strength of Cedars76%
$0.18↓#21556↓0.0722.1 years↓
"Target creature gets +X/+X until end of turn, where X is the number of lands you control."
Dark Triumph76%
$0.12↓#23764↓0.1226.7 years
"If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost."
Primal Bellow74%
$0.34↑#7373↑0.31↑17.0 years↓
"Target creature gets +1/+1 until end of turn for each Forest you control."
Granite Grip74%
$0.12↓#148030.55↑27.7 years
"Enchanted creature gets +1/+0 for each Mountain you control."
Delraich74%
$1.20↑#27815↓0.1127.0 years
"You may sacrifice three black creatures rather than pay this spell's mana cost."
Rockslide Ambush72%
$37.82↑#26993↓0.1627.5 years
"this card deals damage to target creature equal to the number of Mountains you control."
Earth Servant72%
$0.08↓#26654↓0.00↓16.3 years↓
"This creature gets +0/+1 for each Mountain you control."
Fire Dragon72%
$5.51↑#26736↓0.1129.5 years↑
"When this creature enters, it deals damage to target creature equal to the number of Mountains you control."