Petty Theft

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

Brazen Borrower

Flash
Flying
Brazen Borrower can block only creatures with flying.

Enchant creature
Enchanted creature gets +1/+1 and has lifelink and "Whenever this creature deals combat damage to a player, draw a card."

Create two 1/1 colorless Thopter artifact creature tokens with flying, then you gain 1 life for each creature you control.

Flying
Lifelink (Damage dealt by this creature also causes you to gain that much life.)

This spell costs {1} less to cast if you control a creature with flying.
Draw two cards.

Flash (You may cast this spell any time you could cast an instant.)
Flying
{3}{U}: Draw a card.

Flying
Other creatures you control with flying get +1/+1.

Untap all creatures you control. Creatures you control with flying get +2/+2 until end of turn.

Target creature gets +2/+1 and gains flying until end of turn. (Then exile this card. You may cast the creature later from exile.)

Counter target noncreature spell unless its controller pays {2}.

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {W} or {U}.