Tesak, Judith's Hellhound 
Legendary Creature — Elemental Dog
$0.32 #12324 0.31 2.6 years
Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)
Other Dogs you control have unleash.
Creatures you control with counters on them have haste.
Whenever Tesak attacks, add for each attacking creature.
for each attacking creature.Click a line or tag to filter
Cards similar to Tesak, Judith's Hellhound expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
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$0.18↓#6388↑0.60↑19.6 years↑
"Whenever this card attacks, you may add ."
."
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$0.31↓#1665↑0.3711.4 years↑
"Whenever this creature attacks, add 
. Until end of turn, you don't lose this mana as steps and phases end."
. Until end of turn, you don't lose this mana as steps and phases end."
Grand Warlord Radha78%
$0.84↑#5545↑0.238.4 years↑
"Whenever one or more creatures you control attack, add that much mana in any combination of and/or . Until end of turn, you don't lose this mana as steps and phases end."
and/or . Until end of turn, you don't lose this mana as steps and phases end."
Brazen Collector76%
$0.25↓#101760.292.1 years
"Whenever this creature attacks, add . Until end of turn, you don't lose this mana as steps and phases end."
. Until end of turn, you don't lose this mana as steps and phases end."
Cyclops of Eternal Fury76%
$0.20↓#16262↓0.17↓12.3 years↑
"Creatures you control have haste."
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"Creatures you control have haste."
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$2.22↑#3513↑0.3029.2 years↑
"Creatures you control have haste."
Emblem of the Warmind76%
$0.47↑#147170.2519.3 years↑
"Creatures you control have haste."
Conduit of Storms // Conduit of Emrakul75%
$0.12↓#17644↓0.2510.1 years↑
"Whenever this creature attacks, add 
at the beginning of your next main phase this turn."
at the beginning of your next main phase this turn."
Tuktuk Rubblefort74%
$0.22↓#7925↑0.295.9 years↑
"Creatures you control have haste."
Fires of Yavimaya74%
$0.31↓#3258↑0.17↓25.9 years↑
"Creatures you control have haste."
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$16.16↑#7684↑0.19↓3.8 years↑
"Creatures you control with three or more +1/+1 counters on them have haste."
Colossal Plow72%
$0.24↓#8737↑0.00↓5.6 years↑
"Whenever this Vehicle attacks, add 
and you gain 3 life. Until end of turn, you don't lose this mana as steps and phases end."
and you gain 3 life. Until end of turn, you don't lose this mana as steps and phases end."
Avatar Roku, Firebender72%
$10.74↑#4931↑0.00↓0.8 years↓
"Whenever a player attacks, add six . Until end of combat, you don't lose this mana as steps end."
. Until end of combat, you don't lose this mana as steps end."
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"Whenever this creature or equipped creature attacks, add an amount of equal to its power. Until end of turn, you don't lose this mana as steps and phases end."
equal to its power. Until end of turn, you don't lose this mana as steps and phases end."
Mass Hysteria71%
$2.54↑#3086↑0.3422.9 years↑
"All creatures have haste."
Concordant Crossroads71%
$32.91↑#1474↑0.45↑32.3 years↑
"All creatures have haste."
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"Other creatures you control have haste."
Winged Hive Tyrant70%
$2.06↑#6362↑0.323.9 years↑
"Other creatures you control with counters on them have flying and haste."
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"Minotaur creatures you control have haste."