Keeper of Progenitus 
Creature — Elf Druid
$1.84 #14042 0.29 17.9 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 Bloom90%
$4.17↑#10748↑0.3127.9 years↑
"Whenever a Forest is tapped for mana, its controller adds an additional ."
."
Zhur-Taa Ancient88%
$0.40↓#8250↑0.12↓13.3 years↓
"Whenever a player taps a land for mana, that player adds one mana of any type that land produced."
Dictate of Karametra88%
$0.88↓#6154↑0.12↓12.3 years↓
"Whenever a player taps a land for mana, that player adds one mana of any type that land produced."
Heartbeat of Spring85%
$2.22↑#4250↑0.54↑21.9 years↑
"Whenever a player taps a land for mana, that player adds one mana of any type that land produced."
Mana Flare85%
$0.47↓#3297↑0.58↑33.1 years↑
"Whenever a player taps a land for mana, that player adds one mana of any type that land produced."
Gauntlet of Might85%
$582.49↑#123610.86↑33.1 years↑
"Whenever a Mountain is tapped for mana, its controller adds an additional 
."
."
Sunbillow Verge84%
$10.52↑#836↑0.04↓1.6 years↓
"
: Add . Activate only if you control a Mountain or a Plains."
: Add . Activate only if you control a Mountain or a Plains."
Hushwood Verge82%
$7.45↑#693↑0.15↓1.9 years↓
": Add 
. Activate only if you control a Forest or a Plains."
: Add . Activate only if you control a Forest or a Plains."
Nikya of the Old Ways82%
$0.37↓#10535↑0.50↑7.6 years↓
"Whenever you tap a land for mana, add one mana of any type that land produced."
Thornspire Verge80%
$5.07↑#748↑0.11↓1.9 years↓
": Add . Activate only if you control a Mountain or a Forest."
: Add . Activate only if you control a Mountain or a Forest."
Overabundance80%
$5.52↑#9990↑0.44↑25.9 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 Sprawl80%
$1.18↓#347↑0.15↓20.3 years↑
"Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color."
Clifftop Retreat80%
$0.29↓#80↑0.03↓14.9 years↓
"This land enters tapped unless you control a Mountain or a Plains."
Zendikar Resurgent78%
$2.41↑#2336↑0.47↑10.6 years↓
"Whenever you tap a land for mana, add one mana of any type that land produced."
Furycalm Snarl78%
$0.23↓#340↑0.06↓5.4 years↓
"As this land enters, you may reveal a Mountain or Plains card from your hand. If you don't, this land enters tapped."
Mirari's Wake77%
$5.74↑#697↑0.66↑24.3 years↑
"Whenever you tap a land for mana, add one mana of any type that land produced."
Lavaleaper77%
$0.31↓#7518↑0.00↓0.6 years↓
"Whenever a player taps a basic land for mana, that player adds one mana of any type that land produced."
Winter's Night76%
$0.87↓#29674↓0.15↓30.2 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."
Sunpetal Grove76%
$0.33↓#133↑0.12↓17.1 years
"This land enters tapped unless you control a Forest or a Plains."
Groundchuck & Dirtbag76%
$0.41↓#9259↑0.00↓0.5 years↓
"Whenever you tap a land for mana, add ."
."