Wandermare

Whenever you cast a creature spell that has an Adventure, put a +1/+1 counter on Wandermare. (It doesn't need to have gone on the adventure first.)

Rage of Winter

Tap target creature. It doesn't untap during its controller's next untap step. (Then exile this card. You may cast the creature later from exile.)

Whenever Queen of Ice deals combat damage to a creature, tap that creature. It doesn't untap during its controller's next untap step.

Whenever you cast an Adventure instant or sorcery spell, copy it. You may choose new targets for the copy.

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

Flash
Flying
Brazen Borrower can block only creatures with flying.

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

Destroy target creature with power 4 or greater. (Then exile this card. You may cast the creature later from exile.)