Cards like Phase Dolphin

Clammy Prowler100%

$0.21↑#11605↑0.32↑2.1 years↓

"Whenever this creature attacks, another target attacking creature can't be blocked this turn."

gives-unblockable, attacking-matters, attacking-matters-self

Trygon Prime92%

$0.40↑#12172↑0.06↓4.0 years↓

"Whenever this creature attacks, put a +1/+1 counter on it and a +1/+1 counter on up to one other target attacking creature. That creature can't be blocked this turn."

gives-unblockable, attacking-matters, attacking-matters-self

Zhuge Jin, Wu Strategist86%

$76.91↑#27573↓0.1827.5 years↑

"

: Target creature can't be blocked this turn. Activate only during your turn, before attackers are declared."

gives-unblockable, evasion, gives-evasion

Bessie, the Doctor's Roadster84%

$0.32↑#11211↑0.50↑3.0 years↓

"Whenever this card attacks, another target legendary creature can't be blocked this turn."

gives-unblockable, attacking-matters-self, attack-trigger

Mistford River Turtle84%

$0.14↑#183070.107.0 years

"Whenever this creature attacks, another target attacking non-Human creature can't be blocked this turn."

gives-unblockable, attacking-matters-self, attack-trigger

Trailblazer84%

$0.65↑#29478↓0.06↓31.4 years↑

"Target creature can't be blocked this turn."

gives-unblockable, gives-evasion

Infiltrate84%

$0.18↑#179260.29↑26.7 years↑

"Target creature can't be blocked this turn."

gives-unblockable, gives-evasion

Passenger Ferry83%

$0.10↓#179610.121.1 years↓

"Whenever this Vehicle attacks, you may pay

. When you do, another target attacking creature can't be blocked this turn."

gives-unblockable, attacking-matters, attacking-matters-self

Atomic Microsizer82%

$0.20↑#15832↑0.06↓1.2 years↓

"Whenever equipped creature attacks, choose up to one target creature. That creature can't be blocked this turn and has base power and toughness 1/1 until end of turn."

gives-unblockable, attacking-matters, attack-trigger