Brazen Borrower

Flash
Flying
Brazen Borrower can block only creatures with flying.

Petty Theft

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

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

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

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

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

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

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

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.)