I play a deck where the goal is to do a combo.
>Cast Armed with Proof
>Cast Zinnia, Valley's Voice
>Cast Mirror Box
>Cast Ugin the Spirit Dragon
>Cast Luxior, Giada's Gift
>Equip it to Ugin
>Cast Nicol Bolas with Offspring
>Cast In Too Deep on Nicol Bolas
>Equip him to Ugin due to Armed with Proof
>Now Ugin has knotted Bolas (he's in too deep) and they had a kid!