Cards like Shrouded Serpent

Yuan Shao's Infantry84%

$7.57↑#317090.06↓27.5 years↑

"Whenever this creature attacks alone, this creature can't be blocked this combat."

unblockable, attacking-matters-self, attack-trigger

Ma Chao, Western Warrior84%

$80.20↑#273550.17↓27.5 years↑

"Whenever this card attacks alone, it can't be blocked this combat."

unblockable, attacking-matters-self, attack-trigger

Undercover Butler80%

$0.17↓#293410.10↓2.7 years↓

"Whenever this creature attacks the player with the most life or tied for most life, it can't be blocked this turn."

unblockable, attacking-matters-self, attack-trigger

Gravelgill Scoundrel80%

$0.18↓#20020↑0.14↓0.7 years↓

"Whenever this creature attacks, you may tap another untapped creature you control. If you do, this creature can't be blocked this turn."

unblockable, attacking-matters-self, attack-trigger

Canal Courier79%

$0.22↓#244650.00↓10.1 years↓

"Whenever this creature and another creature attack different players, this creature can't be blocked this combat."

unblockable, attacking-matters-self, attack-trigger

Mtenda Lion78%

$0.16↓#321850.00↓30.0 years↑

"Whenever this creature attacks, defending player may pay

. If that player does, prevent all combat damage that would be dealt by this creature this turn."

rhystic, attack-trigger, tax

Bloodmist Infiltrator78%

$0.20↓#249750.06↓7.7 years↓

"Whenever this creature attacks, you may sacrifice another creature. If you do, this creature can't be blocked this turn."

unblockable, attacking-matters-self, attack-trigger