How do you beat event #50?

Select yoshi as your character.When the event starts run under the crazy hand(the left hand)& jump once & use the flutter kick(down+A in air attack),while dodging attacks(which should be easy because of yoshi's double jump),rinse & repeat & then the same thing with the master hand.The reason I say to start with the crazy hand is because he's the hardest of the two.

Event Match #50: Final Destination Match
Character: Whoever you're the best with (I suggest Ganondorf for this one)
Opponents: Master Hand & Crazy Hand (each with 300HP)
Arena: Final Destination
It helps if you know their attacks - they usually have a signal that lets you know what they're about to do so you can dodge it. Also, focus on one hand at a time - once one's gone, it's easy to beat the other. Lastly, use Ganondorf's smash up+A attack - it's the strongest and most effective against the Hands!

Event 50: In this event, you need to kill the two hands, the Master Hand, and the Crazy Hand. Best character to use it Yoshi, with his amazing power of the power of his Down+A Move, which will deal lots of damage to kill the Hand brothers faster. Best start with Crazy Hand, because he can be annoying with more moves than Master Hand. Also kill either Hand quickly so the Hand brothers won't have time for a combo attack or combo attacks, which can blow you off stage and/or deal lots of damage to you

To unlock Mr. Game and watch you can beat all characters adventure or classic mode doesn't matter which one.