Bog Gnarr 
Creature — Beast
$0.08 #31756 0.00 25.3 years
Whenever a player casts a black spell, this creature gets +2/+2 until end of turn.
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Cards similar to Bog Gnarr expected a card that isn't here?
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Throne of Bone90%
$0.17↑#24397↑0.75↑33.1 years↑
"Whenever a player casts a black spell, you may pay 
. If you do, you gain 1 life."
. If you do, you gain 1 life."
Knight of Grace90%
$0.15↑#17292↑0.22↑8.4 years↓
"This creature gets +1/+0 as long as any player controls a black permanent."
Demon's Horn90%
$0.23↑#6483↑0.0022.6 years↓
"Whenever a player casts a black spell, you may gain 1 life."
Sol'kanar the Swamp King90%
$0.16↑#19706↑0.12↑32.3 years↑
"Whenever a player casts a black spell, you gain 1 life."
Radiant Essence89%
$0.21↑#319730.28↑29.9 years↑
"This creature gets +1/+2 as long as an opponent controls a black permanent."
Purraj of Urborg88%
$0.88↑#285110.25↑29.9 years↑
"Whenever a player casts a black spell, you may pay 
. If you do, put a +1/+1 counter on Purraj."
. If you do, put a +1/+1 counter on Purraj."
Smolder Initiate87%
$0.16↑#280290.33↑18.3 years↓
"Whenever a player casts a black spell, you may pay . If you do, target player loses 1 life."
. If you do, target player loses 1 life."
Onyx Talisman86%
$0.34↑#255390.0731.3 years↑
"Whenever a player casts a black spell, you may pay 
. If you do, untap target permanent."
. If you do, untap target permanent."
Ashenmoor Cohort84%
$0.14↑#313120.27↑18.3 years↓
"This creature gets +1/+1 as long as you control another black creature."
Raven's Run Dragoon80%
$0.11↑#314640.25↑18.3 years↓
"This creature can't be blocked by black creatures."
Vine Mare80%
$0.13↑#23017↑0.25↑8.1 years↓
"This creature can't be blocked by black creatures."
Valeron Outlander79%
$0.05↓#310840.0017.6 years↓
"Protection from black"
Scalebane's Elite79%
$0.26↑#319400.20↑29.6 years↑
"Protection from black"
Llanowar Knight79%
$0.15↑#300130.13↑25.9 years
"Protection from black"
Death Speakers79%
$0.16↑#294560.40↑30.9 years↑
"Protection from black"
Spectral Force78%
$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."
Black Scarab78%
$0.24↑#24581↑0.57↑31.3 years↑
"Enchanted creature gets +2/+2 as long as an opponent controls a black permanent."
Spectral Bears77%
$0.37↑#19642↑0.0030.9 years↑
"Whenever this creature attacks, if defending player controls no black nontoken permanents, it doesn't untap during your next untap step."
Serra Inquisitors76%
$0.17↑#313590.33↑30.9 years↑
"Whenever this creature blocks or becomes blocked by one or more black creatures, this creature gets +2/+0 until end of turn."
Emberstrike Duo76%
$0.10↑#299950.27↑18.3 years↓
"Whenever you cast a black spell, this creature gets +1/+1 until end of turn."