Riptide Pilferer 
Creature — Merfolk Rogue
$0.13 #23856 0.21 19.7 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%
$0.30↑#265140.2824.0 years↑
"Whenever this creature deals combat damage to a player, that player discards a card."
+1 more matching line
Silent Specter97%
$0.51↑#234000.37↑24.1 years↑
"Whenever this creature deals combat damage to a player, that player discards two cards."
+1 more matching line
Blazing Specter94%
$0.68↑#210290.44↑26.0 years↑
"Whenever this creature deals combat damage to a player, that player discards a card."
Larceny92%
$0.29↑#16980↑0.91↑27.0 years↑
"Whenever a creature you control deals combat damage to a player, that player discards a card."
Orzhov Racketeers92%
$0.05↓#258490.07↓7.7 years↓
"Whenever this creature deals combat damage to a player, that player discards a card."
Needle Specter92%
$1.12↑#18077↑0.56↑18.2 years↓
"Whenever this creature deals combat damage to a player, that player discards that many cards."
Sedraxis Specter90%
$0.10↓#209760.2418.0 years↓
"Whenever this creature deals combat damage to a player, that player discards a card."
Chilling Apparition90%
$0.31↑#268420.65↑26.4 years↑
"Whenever this creature deals combat damage to a player, that player discards a card."
Okiba-Gang Shinobi90%
$1.06↑#10175↑0.57↑21.7 years↑
"Whenever this creature deals combat damage to a player, that player discards two cards."
Pain Magnification90%
$0.83↑#13277↑0.59↑20.5 years
"Whenever an opponent is dealt 3 or more damage by a single source, that player discards a card."
Fell Flagship88%
$0.36↑#12660↑0.07↓9.1 years↓
"Whenever this Vehicle deals combat damage to a player, that player discards a card."
Banshee of the Dread Choir88%
$0.87↑#12896↑0.1410.9 years↓
"Whenever this creature deals combat damage to a player, that player discards a card."
Zhang Liao, Hero of Hefei88%
$34.75↑#30066↓0.2027.5 years↑
"Whenever this card deals damage to an opponent, that opponent discards a card."
Liliana's Reaver88%
$0.28↑#9898↑0.37↑13.3 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."
Lightning Skelemental88%
$0.36↑#10542↑0.44↑7.4 years↓
"Whenever this creature deals combat damage to a player, that player discards two cards."
Wei Night Raiders88%
$34.89↑#258050.51↑27.5 years↑
"Whenever this creature deals damage to an opponent, that player discards a card."
Abyssal Specter88%
$0.11↓#16566↑0.2531.4 years↑
"Whenever this creature deals damage to a player, that player discards a card."
Order of Yawgmoth88%
$0.13#213150.2928.0 years↑
"Whenever this creature deals damage to a player, that player discards a card."
Specter's Shroud88%
$0.33↑#213060.2922.7 years↑
"Whenever equipped creature deals combat damage to a player, that player discards a card."
Guul Draz Specter86%
$0.26↑#195700.36↑17.0 years↓
"Whenever this creature deals combat damage to a player, that player discards a card."