Thoughtleech 
Enchantment
$0.21 #24827 0.33 31.3 years
Whenever an Island an opponent controls becomes tapped, you may gain 1 life.
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Cards similar to Thoughtleech expected a card that isn't here?
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Roots of Life93%
$0.35↑#202280.06↓29.9 years↓
"Whenever a land of the chosen type an opponent controls becomes tapped, you gain 1 life."
Lifeblood86%
$21.47↑#30551↓0.00↓32.3 years↑
"Whenever a Mountain an opponent controls becomes tapped, you gain 1 life."
Lifetap86%
$0.28↑#209610.3533.1 years↑
"Whenever a Forest an opponent controls becomes tapped, you gain 1 life."
Wanderbrine Preacher84%
$0.16↓#17988↑0.00↓0.6 years↓
"Whenever this creature becomes tapped, you gain 2 life."
Scald84%
$0.29↑#253970.20↓27.9 years↓
"Whenever a player taps an Island for mana, this enchantment deals 1 damage to that player."
Vampire Envoy83%
$0.11↓#18914↑0.3110.6 years↓
"Whenever this creature becomes tapped, you gain 1 life."
Wu Admiral79%
$2.33↑#31098↓0.21↓27.3 years↓
"This creature gets +1/+1 as long as an opponent controls an Island."
Water Wurm79%
$0.22↑#31322↓0.80↑32.1 years
"This creature gets +0/+1 as long as an opponent controls an Island."
Gideon's Avenger78%
$0.69↑#14353↑0.2915.1 years↓
"Whenever a creature an opponent controls becomes tapped, put a +1/+1 counter on this creature."
Emmara, Soul of the Accord76%
$0.32↑#6600↑0.18↓7.9 years↓
"Whenever this card becomes tapped, create a 1/1 white Soldier creature token with lifelink."
Powerleech74%
$19.83↑#215380.06↓32.5 years↑
"Whenever an artifact an opponent controls becomes tapped or an opponent activates an artifact's ability without 
in its activation cost, you gain 1 life."
in its activation cost, you gain 1 life."
Chrome Companion74%
$0.27↑#10124↑0.11↓1.1 years↓
"Whenever this creature becomes tapped, you gain 1 life."
Wylie Duke, Atiin Hero74%
$0.32↑#7944↑0.15↓2.4 years↓
"Whenever this card becomes tapped, you gain 1 life and draw a card."
Night Market Lookout72%
$0.21#13021↑0.259.9 years↓
"Whenever this creature becomes tapped, each opponent loses 1 life and you gain 1 life."
Blight72%
$0.26↑#241230.80↑32.3 years↑
"When enchanted land becomes tapped, destroy it."
Betrayal72%
$0.31↑#13643↑0.05↓29.6 years↓
"Whenever enchanted creature becomes tapped, you draw a card."
Tide Shaper70%
$0.30↑#11417↑0.00↓5.2 years↓
"This creature gets +1/+1 as long as an opponent controls an Island."
Freyalise's Winds70%
$0.62↑#251741.02↑31.3 years
"Whenever a permanent becomes tapped, put a wind counter on it."
Brink of Disaster70%
$0.06↓#244360.71↑16.6 years↓
"When enchanted permanent becomes tapped, destroy it."
Inkwell Leviathan70%
$0.48↑#4991↑0.3217.6 years↓
"Islandwalk"