Set - Rarity change: Basic - Uncommon → Super-Rare
Strategies
With
Compared to Spring Bean, Whirlwind trades cost for power, costing 2 less sun but being unable to select which zombie to Bounce and having no meaningful synergy. Due to its ability being random, it is better to eliminate zombies yourself so that only threats remain on the field, increasing the chance of Whirlwind Bouncing the zombie you want. It is not recommended to play this on the first turn, as your opponent has a chance to replay the Bounced zombie, unless you don't have a 1-sun cost plant for threats such as Mini-Ninja and Tennis Champ.
If your opponent has just spent all their brains on a high-cost zombie, and there aren't any other zombies in play, playing Whirlwind can be good as you know which zombie is going to get bounced so its "random" aspect doesn't even matter.
Against
Since Whirlwind acts similarly to Spring Bean, any strategies with Spring Bean apply to Whirlwind as well. However, you are a bit safer against Whirlwind as your opponent cannot select which zombie to Bounce. You could also use Untrickable zombies such as Parasol Zombie and Jurassic Fossilhead to negate it.
Gallery
Whirlwind's statistics
Whirlwind's card
Whirlwind costing 3 sun due to Defensive End's ability
Whirlwind's card image
Whirlwind's being played
Old
Whirlwind's statistics
The player having the choice between Whirlwind and Summoning as the prize for completing a level before update 1.2.11
Trivia
It looks exactly like Dolphinado, but without the dolphins.