Moment's Peace

Prevent all combat damage that would be dealt this turn.
Flashback {2}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Wall of Blossoms

Defender
When Wall of Blossoms enters, draw a card.

Temporal Spring

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

Mystic Snake

Flash
When Mystic Snake enters, counter target spell.

Aether Mutation

Return target creature to its owner's hand. Create X 1/1 green Saproling creature tokens, where X is that creature's mana value.

Clairvoyance

Look at target player's hand.
Draw a card at the beginning of the next turn's upkeep.