Ornery Tumblewagg 
Creature — Brushwagg Mount
$0.34 #4990 0.90 2.4 years
At the beginning of combat on your turn, put a +1/+1 counter on target creature.
Whenever this creature attacks while saddled, double the number of +1/+1 counters on target creature.
Saddle 2 (Tap any number of other creatures you control with total power 2 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)
Click a line or tag to filter
Cards similar to Ornery Tumblewagg 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.
Giant Beaver90%
$0.14↓#18750↓0.00↓2.4 years
"Whenever this creature attacks while saddled, put a +1/+1 counter on target creature that saddled it this turn."
+1 more matching line
Venomsac Lagac89%
$0.16↓#19186↓0.17↓1.6 years
"Saddle 2"
+1 more matching line
Kalonian Hydra88%
$5.87↑#1120↑0.45↓13.1 years↑
"Whenever this creature attacks, double the number of +1/+1 counters on each creature you control."
Alacrian Jaguar88%
$0.14↓#22060↓0.14↓1.6 years
"Saddle 1"
+1 more matching line
Bridled Bighorn86%
$0.12↓#18214↓0.00↓2.4 years
"Saddle 2"
+1 more matching line
Sazh Katzroy86%
$0.66↑#52210.20↓1.2 years↓
"Whenever this card attacks, put a +1/+1 counter on target creature, then double the number of +1/+1 counters on that creature."
Turtle Van86%
$0.31↓#15216↓0.00↓0.5 years↓
"Whenever this Vehicle attacks, put a +1/+1 counter on target creature that crewed it this turn. Then if that creature is a Mutant, Ninja, or Turtle, double the number of +1/+1 counters on it."
Fractal Harness86%
$0.30↓#6428↓0.07↓5.4 years↑
"Whenever equipped creature attacks, double the number of +1/+1 counters on it."
Big Mother Mouser86%
$2.05↑#52790.00↓0.5 years↓
"Whenever this creature attacks, double the number of +1/+1 counters on it."
Ascendant Acolyte86%
$0.34#10992↓0.06↓4.5 years↑
"At the beginning of your upkeep, double the number of +1/+1 counters on this creature."
Zimone, Paradox Sculptor84%
$2.81↑#3241↑0.39↓1.8 years
"At the beginning of combat on your turn, put a +1/+1 counter on each of up to two target creatures you control."
Byrke, Long Ear of the Law84%
$6.85↑#59270.29↓2.1 years
"Whenever a creature you control with a +1/+1 counter on it attacks, double the number of +1/+1 counters on it."
+1 more matching line
Drover Grizzly84%
$0.13↓#10374↓0.00↓2.4 years
"Saddle 1"
Bounding Felidar84%
$0.22↓#11065↓0.06↓2.4 years
"Saddle 2"
+1 more matching line
Brightfield Mustang84%
$0.20↓#15836↓0.12↓1.6 years
"Saddle 1"
+1 more matching line
Primordial Hydra84%
$1.39↑#2463↑0.45↓15.1 years↑
"At the beginning of your upkeep, double the number of +1/+1 counters on this creature."
Quilled Charger84%
$0.05↓#25866↓0.00↓2.4 years
"Saddle 2"
Brightfield Glider84%
$0.11↓#19971↓0.10↓1.6 years
"Saddle 3"
+1 more matching line
Seismic Tutelage84%
$0.88↑#11409↓0.00↓0.8 years↓
"Whenever enchanted creature attacks, double the number of +1/+1 counters on it."
Casey Jones, Back Alley Brute82%
$0.31↓#7643↓0.00↓0.5 years↓
"Whenever this card attacks, put a +1/+1 counter on target attacking creature."
+1 more matching line