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.)

Zoological Study

Mill five cards, then return a creature card milled this way to your hand. (Then exile this card. You may cast the artifact later from exile.)

{1}{G}, {T}: You may put a creature card from your hand onto the battlefield.

Damage can't be prevented this turn. Stomp deals 2 damage to any target.

Whenever Bonecrusher Giant becomes the target of a spell, Bonecrusher Giant deals 2 damage to that spell's controller.

Return target nonland permanent an opponent controls to its owner's hand.

Flash
Flying
Brazen Borrower can block only creatures with flying.

Return target creature to its owner's hand. (Then exile this card. You may cast the creature later from exile.)

Sword Coast Serpent can't be blocked as long as you've cast a noncreature spell this turn.