Preordain

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Naturalize

Nature's Spiral

Return target permanent card from your graveyard to your hand.

Back to Nature

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

Cancel

Mana Leak

Counter target spell unless its controller pays {3}.

Redirect

You may choose new targets for target spell.

Jace's Ingenuity

Ivy, Gleeful Spellthief

Flying
Whenever a player casts a spell that targets only a single creature other than Ivy, Gleeful Spellthief, you may copy that spell. The copy targets Ivy. (A copy of an Aura spell becomes a token.)

Ice Cage

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
When enchanted creature becomes the target of a spell or ability, destroy Ice Cage.

Negate

Unsummon

Return target creature to its owner's hand.

Call to Mind

Return target instant or sorcery card from your graveyard to your hand.

Cultivate

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.