Pretender's Claim 
Enchantment — Aura
$0.31 #28287 0.42 26.9 years
Enchant creature
Whenever enchanted creature becomes blocked, tap all lands defending player controls.
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Dwindle77%
$0.05↓#273810.27↓8.1 years↓
"When enchanted creature blocks, destroy it."
Ferocity75%
$0.23↓#241500.31↓26.9 years
"Whenever enchanted creature blocks or becomes blocked, you may put a +1/+1 counter on it."
Favor of the Woods74%
$0.14↓#254550.27↓14.6 years↓
"Whenever enchanted creature blocks, you gain 3 life."
Battle Strain74%
$0.30↓#21064↑0.19↓24.9 years↓
"Whenever a creature blocks, this enchantment deals 1 damage to that creature's controller."
Leery Fogbeast74%
$0.11↓#265930.22↓23.9 years↓
"Whenever this creature becomes blocked, prevent all combat damage that would be dealt this turn."
Contaminated Bond72%
$0.10↓#19718↑0.12↓22.9 years↓
"Whenever enchanted creature attacks or blocks, its controller loses 3 life."
+1 more matching line
Sinister Possession72%
$0.09↓#18361↑0.00↓13.3 years↓
"Whenever enchanted creature attacks or blocks, its controller loses 2 life."
Luminous Wake70%
$0.19↓#22120↑0.00↓16.4 years↓
"Whenever enchanted creature attacks or blocks, you gain 4 life."
+1 more matching line
Carnage Gladiator70%
$0.04↓#20171↑0.53↑13.3 years↓
"Whenever a creature blocks, that creature's controller loses 1 life."
Plague Wight70%
$0.08↓#280690.00↓7.6 years↓
"Whenever this creature becomes blocked, each creature blocking it gets -1/-1 until end of turn."