The ease with which you can enable this makes it one of, if not the best alternate win condition in Commander
We have compiled our ranked tenth through sixth in this series in another piece, and in this one we will be going over our ranked fifth through first favorites, with some Honorable Mentions right after the second coolest artwork

Ash-Greninja EX - XY133 #XY133Promo $109.70 Greninja #14Common $4.85 Greninja #41Holo Rare $10.43 Greninja #40Rare $2.51 Greninja #9Holo Rare $9.05 Greninja #117Holo Rare $25.27 Greninja #12Uncommon $5.97 Greninja #28Rare $16.49 Greninja #35None $12.29 Braixen #16Uncommon $0.20 Espurr #44Common $0.49 Rotom #40Rare $0.48 Torterra #58Rare $0.63 Pyroar #19Holo Rare $0.54 Bergmite #29Common $0.15 Spewpa #7Uncommon $0.23 Honedge (46) #46Common $0.19 Scatterbug (5) #5Common $0.23 Exeggcute #1Common $0.62 Kalos Power Tin [Greninja] Phantom Forces Single Pack Blister [Greninja] BREAKpoint Theme Deck - "Wave Slasher" [Greninja] $48.00 Ash-Greninja EX Box XY Evolutions Single Pack Blister [Greninja] $124.99 Knock Out Collection [Chesnaught, Delphox, Greninja] ex Battle Deck [Greninja ex] $19.07 Greninja ex Battle Deck & 2 Booster Bundle
If you do, discard that many cards from the top of your opponent's deck
It has the distinct weakness of not doing anything the turn you play it, leaving you ripe for a blowout from Loran of the Third Path or a similar card, but a second copy of Shark Typhoon could be a handy thing, especially if your opponents are wise to the original and blow it up