Professor Hojo 
Legendary Creature — Human Scientist
$0.22 #5246 0.32 1.2 years
The first activated ability you activate during your turn that targets a creature you control costs 
less to activate.
less to activate.Whenever one or more creatures you control become the target of an activated ability, draw a card. This ability triggers only once each turn.
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Cards similar to Professor Hojo expected a card that isn't here?
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Training Grounds90%
$8.21↑#1049↑0.46↑16.4 years↑
"Activated abilities of creatures you control cost less to activate. This effect can't reduce the mana in that cost to less than one mana."
less to activate. This effect can't reduce the mana in that cost to less than one mana."
Biomancer's Familiar89%
$1.87↑#3144↑0.307.6 years↑
"Activated abilities of creatures you control cost less to activate. This effect can't reduce the mana in that cost to less than one mana."
less to activate. This effect can't reduce the mana in that cost to less than one mana."
Heartstone87%
$1.63↑#3889↑0.21↓28.5 years↑
"Activated abilities of creatures cost less to activate. This effect can't reduce the mana in that cost to less than one mana."
less to activate. This effect can't reduce the mana in that cost to less than one mana."
Stormchaser Drake84%
$0.31↑#8850↓0.334.8 years↑
"Whenever this creature becomes the target of a spell you control, draw a card."
Forensic Gadgeteer82%
$1.83↑#1391↑0.302.6 years↑
"Activated abilities of artifacts you control cost less to activate. This effect can't reduce the mana in that cost to less than one mana."
less to activate. This effect can't reduce the mana in that cost to less than one mana."
Zirda, the Dawnwaker80%
$1.88↑#3308↑0.49↑6.4 years↑
"Abilities you activate that aren't mana abilities cost less to activate. This effect can't reduce the mana in that cost to less than one mana."
less to activate. This effect can't reduce the mana in that cost to less than one mana."
Mutagen Man, Living Ooze80%
$1.74↑#6510↓0.00↓0.5 years
"Activated abilities of artifact tokens you control cost less to activate."
less to activate."
Loki, God of Mischief79%
$2.05↑#9404↓0.00↓0.2 years↓
"Whenever a player or permanent becomes the target of an ability you control, draw a card. This ability triggers only once each turn."
Convergence of Dominion78%
$1.06↑#11795↓0.363.9 years↑
"As long as you control your commander, activated abilities of cards in your graveyard cost less to activate. This effect can't reduce the mana in that ability's activation cost to less than one mana."
less to activate. This effect can't reduce the mana in that ability's activation cost to less than one mana."
Shapers' Sanctuary76%
$0.81↑#11901↓0.17↓8.9 years↑
"Whenever a creature you control becomes the target of a spell or ability an opponent controls, you may draw a card."
Embalmer's Tools76%
$0.18↓#12903↓0.06↓9.4 years↑
"Activated abilities of creature cards in your graveyard cost less to activate."
less to activate."
Fluctuator74%
$0.95↑#8309↓0.12↓27.9 years↑
"Cycling abilities you activate cost less to activate."
less to activate."
Task Force74%
$0.19↓#24498↓0.05↓26.9 years↑
"Whenever this creature becomes the target of a spell or ability, it gets +0/+3 until end of turn."
Surrak, Elusive Hunter74%
$0.49↑#7330↓0.291.4 years
"Whenever a creature you control or a creature spell you control becomes the target of a spell or ability an opponent controls, draw a card."
Triton Fortune Hunter74%
$0.20↓#15454↓0.21↓12.9 years↑
"Whenever you cast a spell that targets this creature, draw a card."
Gnarlback Rhino74%
$0.08↓#16835↓0.297.2 years↑
"Whenever you cast a spell that targets this creature, draw a card."
Angelic Protector74%
$0.15↓#25430↓0.64↑28.9 years↑
"Whenever this creature becomes the target of a spell or ability, this creature gets +0/+3 until end of turn."
Blossoming Tortoise74%
$5.37↑#3264↑0.353.0 years↑
"Activated abilities of lands you control cost less to activate."
less to activate."
Tezzeret, Betrayer of Flesh74%
$0.46↑#3960↑0.304.5 years↑
"The first activated ability of an artifact you activate each turn costs less to activate."
less to activate."+1 more matching line
Elrond, Moon-Reader72%
$2.70↑#12764↓0.00↓0.1 years↓
"Whenever you activate an ability of a creature, draw a card. This ability triggers only once each turn."