Mocking Doppelganger 
Creature — Shapeshifter
$3.39 #5455 0.21 4.2 years
Flash
You may have this creature enter as a copy of a creature an opponent controls, except it has "Other creatures with the same name as this creature are goaded." (They attack each combat if able and attack a player other than you if able.)
Click a line or tag to filter
Cards similar to Mocking Doppelganger 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.
Stunt Double88%
$4.07↑#3805↑0.2210.0 years↑
"You may have this creature enter as a copy of any creature on the battlefield."
Clone88%
$0.31↓#3742↑0.31↑33.1 years↑
"You may have this creature enter as a copy of any creature on the battlefield."
Mirror Image88%
$0.30↓#53820.198.1 years↑
"You may have this creature enter as a copy of a creature you control."
Pirated Copy84%
$7.56↑#8089↓0.36↑3.8 years
"You may have this creature enter as a copy of any creature on the battlefield, except it's a Pirate in addition to its other types and it has "Whenever this creature or another creature with the same name deals combat damage to a player, you draw a card.""
Quicksilver Gargantuan84%
$0.54↓#18240↓0.1415.9 years↑
"You may have this creature enter as a copy of any creature on the battlefield, except it's 7/7."
Malleable Impostor83%
$5.78↑#44940.163.0 years↓
"You may have this creature enter as a copy of a creature an opponent controls, except it's a Faerie Shapeshifter in addition to its other types and it has flying."
Glasspool Mimic // Glasspool Shore83%
$5.87↑#1166↑0.215.9 years↑
"You may have this creature enter as a copy of a creature you control, except it's a Shapeshifter Rogue in addition to its other types."
Progenitor Mimic82%
$1.11↓#53700.43↑13.3 years↑
"You may have this creature enter as a copy of any creature on the battlefield, except it has "At the beginning of your upkeep, if this creature isn't a token, create a token that's a copy of this creature.""
Chameleon, Master of Disguise81%
$0.38↓#1879↑0.35↑1.0 years↓
"You may have this card enter as a copy of a creature you control, except his name is this card."
Visage Bandit80%
$0.15↓#7365↓0.41↑2.4 years↓
"You may have this creature enter as a copy of a creature you control, except it's a Shapeshifter Rogue in addition to its other types."
Gigantoplasm80%
$0.49↓#9188↓0.05↓10.8 years↑
"You may have this creature enter as a copy of any creature on the battlefield, except it has "
: This creature has base power and toughness X/X.""
: This creature has base power and toughness X/X.""
Renegade Doppelganger80%
$0.49↓#19345↓0.2416.4 years↑
"Whenever another creature you control enters, you may have this creature become a copy of that creature until end of turn."
Uncontrollable Anger80%
$0.05↓#28629↓0.00↓21.9 years↑
"Flash"
Vesuvan Doppelganger80%
$18.79↑#17248↓0.35↑33.1 years↑
"You may have this creature enter as a copy of any creature on the battlefield, except it doesn't copy that creature's color and it has "At the beginning of your upkeep, you may have this creature become a copy of target creature, except it doesn't copy that creature's color and it has this ability.""
Mirrorhall Mimic // Ghastly Mimicry79%
$2.02↓#4095↑0.174.8 years
"You may have this creature enter as a copy of any creature on the battlefield, except it's a Spirit in addition to its other types."
Protean Raider79%
$0.68↓#13446↓0.67↑8.6 years↑
"If you attacked this turn, you may have this creature enter as a copy of any creature on the battlefield."
Infinite Reflection78%
$0.24↓#17619↓0.33↑14.3 years↑
"When this Aura enters attached to a creature, each other nontoken creature you control becomes a copy of that creature."
Evil Twin78%
$0.42↓#6889↓0.2114.9 years↑
"You may have this creature enter as a copy of any creature on the battlefield, except it has "
, 
: Destroy target creature with the same name as this creature.""
, : Destroy target creature with the same name as this creature.""
Waxen Shapethief77%
$0.33↓#61030.151.6 years↓
"You may have this creature enter as a copy of an artifact or creature you control."
+1 more matching line
Altered Ego77%
$0.20↓#4080↑0.1310.4 years↑
"You may have this creature enter as a copy of any creature on the battlefield, except it enters with X additional +1/+1 counters on it."