Radiant Essence 
Creature — Spirit
$0.21 #31973 0.28 29.9 years
This creature gets +1/+2 as long as an opponent controls a black permanent.
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Cards similar to Radiant Essence expected a card that isn't here?
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Black Scarab90%
$0.24↑#24581↑0.57↑31.3 years↑
"Enchanted creature gets +2/+2 as long as an opponent controls a black permanent."
Bog Gnarr89%
$0.08↓#317560.00↓25.3 years↓
"Whenever a player casts a black spell, this creature gets +2/+2 until end of turn."
Raven's Run Dragoon88%
$0.11↓#314640.2518.3 years↓
"This creature can't be blocked by black creatures."
Vine Mare88%
$0.13↓#23017↑0.258.1 years↓
"This creature can't be blocked by black creatures."
Knight of Grace88%
$0.15↓#17292↑0.228.4 years↓
"This creature gets +1/+0 as long as any player controls a black permanent."
Spectral Force88%
$0.21#278570.60↑19.9 years↓
"Whenever this creature attacks, if defending player controls no black permanents, it doesn't untap during your next untap step."
Spectral Bears87%
$0.37↑#19642↑0.00↓30.9 years↑
"Whenever this creature attacks, if defending player controls no black nontoken permanents, it doesn't untap during your next untap step."
Llanowar Knight86%
$0.15↓#300130.13↓25.9 years↓
"Protection from black"
Death Speakers86%
$0.16↓#294560.40↑30.9 years↑
"Protection from black"
Valeron Outlander86%
$0.05↓#310840.00↓17.6 years↓
"Protection from black"
Scalebane's Elite86%
$0.26↑#319400.2029.6 years
"Protection from black"
Cemetery Gate84%
$0.17↓#24982↑0.44↑30.9 years↑
"Protection from black"
Wall of Light84%
$5.05↑#267570.2532.3 years↑
"Protection from black"
Nantuko Blightcutter84%
$0.37↑#25304↑0.2124.6 years↓
"This creature gets +1/+1 for each black permanent your opponents control as long as there are seven or more cards in your graveyard."
Serra Inquisitors84%
$0.17↓#313590.3330.9 years↑
"Whenever this creature blocks or becomes blocked by one or more black creatures, this creature gets +2/+0 until end of turn."
Whirling Dervish83%
$0.27↑#289200.3732.3 years↑
"Protection from black"
Sacred Knight82%
$0.36↑#314650.3129.3 years
"This creature can't be blocked by black and/or red creatures."
Disciple of Grace82%
$0.10↓#261600.05↓27.9 years↓
"Protection from black"
Soltari Monk82%
$0.23↑#20505↑0.60↑28.9 years↓
"Protection from black"
Darkwatch Elves82%
$0.16↓#290550.00↓27.6 years↓
"Protection from black"