Radha's Firebrand {1}{R}
Creature — Human Warrior
Whenever this creature attacks, target creature defending player controls with power less than this creature's power can't block this turn.
Domain — {5}{R}: This creature gets +2/+2 until end of turn. This ability costs {1} less to activate for each basic land type among lands you control. Activate only once each turn.
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Cards that do something similar expected a card that isn't here?
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Plasma Jockey 98%
$0.12#21759
"Whenever this creature attacks, target creature an opponent controls can't block this turn."
Clamor Shaman 98%
$0.13#19472
"Whenever this creature attacks, target creature an opponent controls can't block this turn."
Gilded Cerodon 97%
$0.04#27831
"Whenever this creature attacks, if you control a Desert or there is a Desert card in your graveyard, target creature can't block this turn."
Goma Fada Vanguard 96%
$0.09#15871
"Whenever this creature attacks, target creature an opponent controls with power less than or equal to the number of Warriors you control can't block this turn."
Goblin Locksmith 95%
$0.14#23691
"Whenever this creature attacks, creatures with defender can't block this turn."
Grotag Thrasher 93%
$0.11#27970
"Whenever this creature attacks, target creature can't block this turn."
Goblin Heelcutter 93%
$0.08#20211
"Whenever this creature attacks, target creature can't block this turn."
Mardu Roughrider 93%
$0.10#24229
"Whenever this creature attacks, target creature can't block this turn."
Two-Headed Dragon 92%
$0.95#22853
"{1}{R}: This creature gets +2/+0 until end of turn."
+1 more matching line