Knockout

Knockout is a triassic super-rare zombie trick card in Plants vs. Zombies Heroes, and a member of the Hearty class. Its closest plant counterpart is Whack-a-Zombie.

Trivia

 * It reuses the textures from Flick-a-Plant.
 * This is the second Zombie trick to be capable of destroying a Plant with 3, with Slammin' Smackdown being the first.