Its the kind of alternate wincon that isnt too easy to pull off, and will likely be exciting for the whole table if you do it
As you can see with cards like [mtg_card]Hollow One[/mtg_card], [mtg_card]Ichorid[/mtg_card], and [mtg_card]Nightmare Amalgam[/mtg_card], discarding cards isnt all bad
They also achieved the same results in last Saturday and Mondays Leagues, with near-identical lists each time
You want to hit cards like Brimaz, big fat dorks that need to get into combat before they have done much, if you hit these kinds of card there is a good chance you won't see it played again, they will either be dead before they have the time or will have won anyway regardless of the Brimaz they have in hand
In fact, the Coin Flip archetype has its very own "you win the game" card: Chance Encounter