Wall of Air

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Ancestral Memories

Look at the top seven cards of your library. Put two of them into your hand and the rest into your graveyard.

{T}, Sacrifice Daring Apprentice: Counter target spell.

Return target creature to its owner's hand.

Counter target spell unless its controller pays {1}.

Flying
When Sage Owl enters, look at the top four cards of your library, then put them back in any order.

{T}: Prodigal Sorcerer deals 1 damage to any target.

Return target permanent to its owner's hand.

Enchant permanent
You control enchanted permanent.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever Thieving Magpie deals damage to an opponent, draw a card.