Alora, Cheerful Thief

Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, it perpetually gets +1/+1.

Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, each opponent loses 2 life.

Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, create a Treasure token.

Specialize

Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand.

Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, create a 1/1 white Soldier creature token.

When this creature enters, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Whenever this creature attacks, you may return another creature you control to its owner's hand. If you do, this creature can't be blocked this turn.