Event 37: The Pirate Airship
From SmashWiki, the Super Smash Bros. wiki
The Pirate Airship (空飛ぶ海賊船, Flying Pirate Ship) is the 37th solo event match out of a total of 41 in Super Smash Bros. Brawl, which is unlocked along with Events 29-36 and 38-40 after all playable characters are unlocked. The player plays as Toon Link on Pirate Ship and must KO two Yoshis when the whirlwind picks up the ship into the sky. If a Yoshi is KO'd when the Pirate Ship is on the water, they will respawn at 0% damage.