I wanted to make a Mono-White deck that would survive my friends decks and I came across this idea from O0oze on Gatherer.

Hopefully get out 2x Knight Exemplar to give them both Indestructible or get at least 1x Knight Exemplar with Lightning Greaves.

The Kinsbaile Cavalier will give all knights Double Strike and the Student of Warfare will build up to receiving Double Strike.

Bring out a Day of Judgment to wipe the board of creatures then you'll be free to attack them (undefended)