Stern Dismissal

Return target creature or enchantment an opponent controls to its owner's hand.

Sky Theater Strix

Flying
Whenever you cast a noncreature spell, Sky Theater Strix gets +1/+0 until end of turn.

{1}{U}, {T}: Draw a card, then discard a card.

Enchant artifact or creature
Enchanted permanent doesn't untap during its controller's untap step.

Flying
Creature spells with flying you cast cost {1} less to cast.

Flying
Hinterland Drake can't block artifact creatures.

When Frost Lynx enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

Put target nonland permanent on top of its owner's library.

Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Memorial to Genius enters tapped.
{T}: Add {U}.
{4}{U}, {T}, Sacrifice Memorial to Genius: Draw two cards.