Ring of Valkas 
Artifact — Equipment
$0.49 #5073 0.02 14.1 years
Equipped creature has haste. (It can attack and
no matter when it came under your control.)
At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's red.
Equip
(
: Attach to target creature you control. Equip only as a sorcery.)
Click a line or tag to filter
Cards similar to Ring of Valkas 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.
Mudbrawler Cohort79%
$0.13↓#26998↓0.25↑18.3 years↑
"This creature gets +1/+1 as long as you control another red creature."
Battlemage's Bracers78%
$3.43↑#55520.115.4 years↓
"Equipped creature has haste."
+1 more matching line
Heartlash Cinder78%
$0.15↓#26340↓0.0018.1 years↑
"When this creature enters, it gets +X/+0 until end of turn, where X is the number of red mana symbols in the mana costs of permanents you control."
The Red Terror76%
$6.41↑#7625↓0.22↑3.9 years↓
"Whenever a red source you control deals damage to one or more permanents and/or players, put a +1/+1 counter on this card."
Crystal Slipper75%
$0.14↓#19472↓0.046.9 years↓
"Equipped creature gets +1/+0 and has haste."
+1 more matching line
Strider Harness75%
$0.05↓#17448↓0.27↑15.9 years↑
"Equipped creature gets +1/+1 and has haste."
+1 more matching line
Skateboard74%
$0.33↓#11346↓0.000.5 years↓
"Equipped creature gets +1/+0 and has haste."
+1 more matching line
Runaway Steam-Kin74%
$1.40↑#1661↑0.39↑7.9 years↓
"Whenever you cast a red spell, if this creature has fewer than three +1/+1 counters on it, put a +1/+1 counter on this creature."
Burst of Speed74%
$0.12↓#18742↓0.27↑17.1 years↑
"Creatures you control gain haste until end of turn."
Crimson Mage73%
$0.11↓#25809↓0.32↑15.1 years
"
: Target creature you control gains haste until end of turn."
Purphoros, Bronze-Blooded72%
$3.68↑#44450.54↑6.6 years↓
"Other creatures you control have haste."
+1 more matching line
Raccoon Rallier72%
$0.20↓#11244↓0.002.1 years↓
"
: Target creature you control gains haste until end of turn. Activate only as a sorcery."