Edgewall Innkeeper

Whenever you cast a creature spell that has an Adventure, draw a card. (It doesn't need to have gone on the adventure first.)

Thunderous Snapper

Whenever you cast a spell with mana value 5 or greater, draw a card.

Flying
Whenever you cast an Adventure spell, draw a card.

Mill seven cards. Then put all cards that have an Adventure from among the milled cards into your hand.

Trample
Permanent spells you cast that have an Adventure cost {1} less to cast.