When the creature you cheat out leaves play, it smashes every other creature on the board for damage equal to its mana value
Unlike your printer at home, each specific layer of color is applied separately
Then if this creature has five or more filibuster counters on it, you win the game
Then you can -3 him to Vindicate something with colors or +1 him to exile our top card and then drop a 2/2 colorless Spirit and then when it dies you draw it
If youre just after a case to take out to clubs and tournaments then they make a smaller option, the Bolt, for that very purpose
Just in case we don't find those Auras for Yuna, untappers like Ioreth of the Healing HouseIoreth of the Healing House and Saryth, the Viper's FangSaryth, the Viper's Fang provide redundancy