Jidoor, Aristocratic Capital has an ability that mills half a players library tacked to an adventure, and if you have some ways to return lands from the battlefield to your hand, you can make a pretty good combo (Fear of Isolation, Kor Skyfisher)
If a card would be put into a player's hand from anywhere, that player reveals it and places it anywhere within their program instead
With any Dragon synergies present, such as having Utvara Hellkite in play, having the luxury of sinking mana into this card to make a 6/6 Dragon goes a long way
How does your foe block, since their creatures can still die
Rather than questing, you can exert Dumbo and pay one ink to gain one lore and draw a card, with card draw always being a useful addition
Any choices made when the triggered ability resolves won't have been made yet when it's copied