Battlesong Berserker 

Creature — Human Berserker
$0.17 #20681 0.07 1.8 years
Whenever you attack, target creature you control gets +1/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)
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Item Shopkeep92%
$0.09↓#13680↑0.22↑1.2 years
"Whenever you attack, target attacking equipped creature gains menace until end of turn."
Hollowmurk Siege88%
$0.91↑#3179↑0.26↑1.4 years
"• Abzan — Whenever you attack, put a +1/+1 counter on target attacking creature. It gains menace until end of turn."
Dinotomaton86%
$0.14↓#181430.50↑2.8 years
"When this creature enters, target creature you control gains menace until end of turn."
Black Widow, Double Agent86%
$0.17#195490.000.2 years↓
"Whenever a creature you control attacks alone, it gains first strike and menace until end of turn."
Inquisitorial Rosette86%
$2.78↑#6900↑0.55↑3.9 years↑
"Whenever equipped creature attacks, create a 2/2 white Astartes Warrior creature token with vigilance that's attacking. Then attacking creatures gain menace until end of turn."
Smelted Chargebug84%
$0.12↓#185650.002.2 years
"Whenever this creature attacks, you may pay
. If you do, another target attacking creature gets +1/+0 and gains menace until end of turn."
Gruul War Chant84%
$0.20↑#6642↑0.45↑13.3 years↑
"Attacking creatures you control get +1/+0 and have menace."
Root Manipulation84%
$0.24↑#12897↑0.000.4 years↓
"Until end of turn, creatures you control get +2/+2 and gain menace and "Whenever this creature attacks, you gain 1 life.""
Ogre Errant84%
$0.09↓#28685↓0.006.9 years↑
"Whenever this creature attacks, another target attacking Knight gains menace until end of turn."
Belligerent of the Ball84%
$0.04↓#26777↓0.57↑3.0 years↑
"At the beginning of combat on your turn, if two or more nonland permanents entered the battlefield under your control this turn, target creature you control gets +1/+0 and gains menace until end of turn."
Pyreheart Wolf83%
$0.21↑#11575↑0.0014.6 years↑
"Whenever this creature attacks, creatures you control gain menace until end of turn."
Gisa's Favorite Shovel83%
$12.69↑#10529↑0.56↑5.9 years↑
"Equipped creature gets +2/+0 and has menace."
Glory Bearers82%
$0.03↓#26122↓0.33↑6.6 years↑
"Whenever another creature you control attacks, it gets +0/+1 until end of turn."
Fervent Charge82%
$0.42↑#5232↑0.25↑25.3 years↑
"Whenever a creature you control attacks, it gets +2/+2 until end of turn."
Blood-Chin Rager81%
$0.19↑#13235↑0.1011.4 years↑
"Whenever this creature attacks, Warrior creatures you control gain menace until end of turn."
Chittering Host81%
10.1 years↑
"When this creature enters, other creatures you control get +1/+0 and gain menace until end of turn."
Frenzied Gorespawn80%
$2.07↑#12573↑0.58↑2.5 years
"Whenever one or more creatures attack one of your opponents, those creatures gain menace until end of turn."
Ferocification79%
$0.14↓#14118↑0.50↑2.4 years
"• Target creature you control gains menace and haste until end of turn."