Mistford River Turtle 

Creature — Turtle
Whenever this creature attacks, another target attacking non-Human creature can't be blocked this turn.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Turtle
Whenever this creature attacks, another target attacking non-Human creature can't be blocked this turn.