Keeper of Progenitus 
Creature — Elf Druid
$2.10 #14251 0.31 18.0 years
Whenever a player taps a Mountain, Forest, or Plains for mana, that player adds one mana of any type that land produced.
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Vernal Bloom92%
$4.27↑#10957↑0.3528.0 years↑
"Whenever a Forest is tapped for mana, its controller adds an additional ."
."
Dictate of Karametra92%
$0.79↓#6270↑0.12↓12.5 years↓
"Whenever a player taps a land for mana, that player adds one mana of any type that land produced."
Mana Flare91%
$0.53↓#3340↑0.3633.2 years↑
"Whenever a player taps a land for mana, that player adds one mana of any type that land produced."
Heartbeat of Spring91%
$2.32↑#4288↑0.3922.1 years↑
"Whenever a player taps a land for mana, that player adds one mana of any type that land produced."
Zhur-Taa Ancient84%
$0.33↓#8336↑0.00↓13.5 years↓
"Whenever a player taps a land for mana, that player adds one mana of any type that land produced."
Gauntlet of Might82%
$600.00↑#124210.18↓33.2 years↑
"Whenever a Mountain is tapped for mana, its controller adds an additional 
."
."
Sunbillow Verge80%
$9.63↑#797↑0.06↓1.7 years↓
"
: Add . Activate only if you control a Mountain or a Plains."
: Add . Activate only if you control a Mountain or a Plains."
Nikya of the Old Ways78%
$0.33↓#10750↑0.247.7 years↓
"Whenever you tap a land for mana, add one mana of any type that land produced."
Hushwood Verge78%
$7.53↑#671↑0.02↓2.1 years↓
": Add 
. Activate only if you control a Forest or a Plains."
: Add . Activate only if you control a Forest or a Plains."
Overabundance77%
$5.67↑#10117↑0.59↑26.0 years↑
"Whenever a player taps a land for mana, that player adds one mana of any type that land produced, and this enchantment deals 1 damage to the player."
Utopia Sprawl77%
$1.31↓#350↑0.17↓20.5 years↑
"Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color."
Thornspire Verge77%
$5.25↑#718↑0.06↓2.1 years↓
": Add . Activate only if you control a Mountain or a Forest."
: Add . Activate only if you control a Mountain or a Forest."
Mirari's Wake75%
$3.05↑#713↑0.67↑24.4 years↑
"Whenever you tap a land for mana, add one mana of any type that land produced."
Clifftop Retreat75%
$0.27↓#77↑0.08↓15.1 years↓
"This land enters tapped unless you control a Mountain or a Plains."
Winter's Night74%
$0.84↓#30098↓0.06↓30.4 years↑
"Whenever a player taps a snow land for mana, that player adds one mana of any type that land produced. That land doesn't untap during its controller's next untap step."
Lavaleaper74%
$0.30↓#7103↑0.250.7 years↓
"Whenever a player taps a basic land for mana, that player adds one mana of any type that land produced."
Groundchuck & Dirtbag74%
$0.41↓#8597↑0.380.6 years↓
"Whenever you tap a land for mana, add ."
."
Extraplanar Lens74%
$12.94↑#1695↑0.18↓23.0 years↑
"Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced."
Nirkana Revenant73%
$7.45↑#2963↑0.3716.5 years↓
"Whenever you tap a Swamp for mana, add an additional 
."
."
Zendikar Resurgent73%
$2.60↑#2455↑0.3810.7 years↓
"Whenever you tap a land for mana, add one mana of any type that land produced."