Willbreaker 
Creature — Human Wizard
$1.61 #6433 0.98 11.3 years
Whenever a creature an opponent controls becomes the target of a spell or ability you control, gain control of that creature for as long as you control this creature.
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Cards similar to Willbreaker expected a card that isn't here?
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Fractured Loyalty94%
$0.23↓#23018↓0.27↓23.0 years↑
"Whenever enchanted creature becomes the target of a spell or ability, that spell or ability's controller gains control of that creature."
Sower of Temptation80%
$2.66↑#4108↑0.58↓19.0 years↑
"When this creature enters, gain control of target creature for as long as this creature remains on the battlefield."
Horobi, Death's Wail77%
$0.39↓#10426↓1.0322.1 years↑
"Whenever a creature becomes the target of a spell or ability, destroy that creature."
Cowardice76%
$0.49↓#19679↓1.12↑27.0 years↑
"Whenever a creature becomes the target of a spell or ability, return that creature to its owner's hand."
Rubinia Soulsinger76%
$0.37↓#19426↓0.63↓32.4 years↑
"
: Gain control of target creature for as long as you control this card and this card remains tapped."
: Gain control of target creature for as long as you control this card and this card remains tapped."
Loki, God of Mischief72%
$0.71↓#8240↓0.28↓0.3 years↓
"Whenever a player or permanent becomes the target of an ability you control, draw a card. This ability triggers only once each turn."
Mind Flayer72%
$0.40↓#4641↑0.60↓5.2 years↓
"When this creature enters, gain control of target creature for as long as you control this creature."
Roil Elemental72%
$12.99↑#3921↑1.16↑17.0 years↑
"Whenever a land you control enters, you may gain control of target creature for as long as you control this creature."
Soul Seizer // Ghastly Haunting70%
$0.13↓#24420↓0.22↓14.7 years↑
"When this creature deals combat damage to a player, you may transform it. If you do, attach it to target creature that player controls."
Kitsune, Dragon's Daughter70%
$0.23↓#16842↓0.41↓0.6 years↓
"Whenever this card enters or deals combat damage to a player, you may exchange control of two other target creatures controlled by different players."
Infernal Denizen70%
$0.91↓#27630↓0.25↓31.4 years↑
": Gain control of target creature for as long as this creature remains on the battlefield."
: Gain control of target creature for as long as this creature remains on the battlefield."