Return those cards to their battlefield under their owner's control at the beginning of the next end step
You don't get to look at the cards in your library, but if you happen to know the position of a card in your library for example, you know what you scried to the bottom of your library with Opt, or you cast Approach of the Second Sun last turn you can use that to your advantage and make sure you draw it when you need to
Even if the attacking creature dies, you end up with one more creature on the board than you started with, plus two new fliers that you can attach this sword to
2 Reference Cards 1 Reference Guide Booklet 2 How to Play Booklet Guides 2 Gameboard Playmats 2 Spindown life counters $54.99 US Shipping Only Due to export restrictions, this item may only be shipped to addresses in the United States, APO/FPO addresses, and Puerto Rico
The win condition is going to be racing to one of their ultimate abilities to cripple other players