Hellkite Tyrant 
Creature — Dragon
$2.26 #758 1.04 13.6 years
Flying, trample
Whenever this creature deals combat damage to a player, gain control of all artifacts that player controls.
At the beginning of your upkeep, if you control twenty or more artifacts, you win the game.
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Cards similar to Hellkite Tyrant 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.
Knuckles the Echidna80%
$21.92↑#1908↓1.24↑1.1 years↓
"At the beginning of your upkeep, if you control thirty or more artifacts, you win the game."
Bilbo's Burglaring76%
$0.50↓#24358↓0.00↓0.1 years↓
"For each opponent, gain control of up to one target artifact that player controls."
Epic Struggle76%
$8.73↑#13511↓0.85↓24.3 years↑
"At the beginning of your upkeep, if you control twenty or more creatures, you win the game."
Master Thief76%
$0.12↓#16178↓0.50↓15.1 years↑
"When this creature enters, gain control of target artifact for as long as you control this creature."
Tezzeret, Master of Metal74%
$1.73↓#19559↓0.69↓9.6 years↓
"−8: Gain control of all artifacts and creatures target opponent controls."
+1 more matching line
Aladdin72%
$0.55↓#22052↓0.44↓32.7 years↑
"
, 
: Gain control of target artifact for as long as you control this creature."
, : Gain control of target artifact for as long as you control this creature."
Demon of Loathing71%
$0.61↓#8297↓0.12↓6.6 years↓
"Flying, trample"
Battle of Wits70%
$1.05↓#16271↓0.25↓24.9 years↑
"At the beginning of your upkeep, if you have 200 or more cards in your library, you win the game."
Souvenir Snatcher70%
$1.18↓#8620↓0.29↓6.4 years↓
"Whenever this creature mutates, gain control of target noncreature artifact."
Wake the Dragon70%
$0.34↓#8234↓0.11↓3.2 years↓
"Create a 6/6 black and red Dragon creature token with flying, menace, and "Whenever this token deals combat damage to a player, gain control of target artifact that player controls.""
Wasitora, Nekoru Queen70%
$0.45↓#11055↓0.68↓9.0 years↓
"Flying, trample"
Near-Death Experience70%
$0.56↓#15210↓0.53↓16.4 years↑
"At the beginning of your upkeep, if you have exactly 1 life, you win the game."