Riptide Pilferer 
Creature — Merfolk Rogue
$0.15 #23532 0.33 19.6 years
Whenever this creature deals combat damage to a player, that player discards a card.
Morph (You may cast this card face down as a 2/2 creature for 
. Turn it face up any time for its morph cost.)
(You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)Click a line or tag to filter
Cards similar to Riptide Pilferer 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.
Headhunter98%
$0.32↑#262890.88↑23.9 years↑
"Whenever this creature deals combat damage to a player, that player discards a card."
+1 more matching line
Silent Specter97%
$0.53↑#230440.80↑23.9 years↑
"Whenever this creature deals combat damage to a player, that player discards two cards."
+1 more matching line
Blazing Specter95%
$0.66↑#207410.2525.9 years↑
"Whenever this creature deals combat damage to a player, that player discards a card."
Orzhov Racketeers94%
$0.04↓#255480.337.6 years↓
"Whenever this creature deals combat damage to a player, that player discards a card."
Needle Specter93%
$1.11↑#17747↑0.4318.1 years↓
"Whenever this creature deals combat damage to a player, that player discards that many cards."
Larceny93%
$0.26↑#16752↑0.99↑26.9 years↑
"Whenever a creature you control deals combat damage to a player, that player discards a card."
Chilling Apparition91%
$0.30↑#265660.14↓26.3 years↑
"Whenever this creature deals combat damage to a player, that player discards a card."
Okiba-Gang Shinobi90%
$1.06↑#9913↑0.59↑21.6 years↑
"Whenever this creature deals combat damage to a player, that player discards two cards."
Pain Magnification90%
$1.04↑#12930↑0.88↑20.3 years
"Whenever an opponent is dealt 3 or more damage by a single source, that player discards a card."
Fell Flagship90%
$0.40↑#12331↑0.67↑8.9 years↓
"Whenever this Vehicle deals combat damage to a player, that player discards a card."
Zhang Liao, Hero of Hefei89%
$34.19↑#30030↓0.50↑27.3 years↑
"Whenever this card deals damage to an opponent, that opponent discards a card."
Liliana's Reaver89%
$0.42↑#10295↑0.3313.1 years↓
"Whenever this creature deals combat damage to a player, that player discards a card and you create a tapped 2/2 black Zombie creature token."
Banshee of the Dread Choir88%
$0.87↑#12654↑0.64↑10.8 years↓
"Whenever this creature deals combat damage to a player, that player discards a card."
Sedraxis Specter88%
$0.09↓#206580.4117.9 years↓
"Whenever this creature deals combat damage to a player, that player discards a card."
Wei Night Raiders88%
$34.72↑#263450.89↑27.3 years↑
"Whenever this creature deals damage to an opponent, that player discards a card."
Order of Yawgmoth88%
$0.12↓#217080.3827.9 years↑
"Whenever this creature deals damage to a player, that player discards a card."
Abyssal Specter88%
$0.11↓#16974↑0.13↓31.3 years↑
"Whenever this creature deals damage to a player, that player discards a card."
Specter's Shroud88%
$0.30↑#210530.3222.6 years↑
"Whenever equipped creature deals combat damage to a player, that player discards a card."
Guul Draz Specter87%
$0.23↑#192230.62↑16.9 years↓
"Whenever this creature deals combat damage to a player, that player discards a card."
Stronghold Rats87%
$0.66↑#7628↑0.3719.3 years
"Whenever this creature deals combat damage to a player, each player discards a card."