Negate

Omniscience

You may cast spells from your hand without paying their mana costs.

Redirect

You may choose new targets for target spell.

Rewind

Counter target spell. Untap up to four lands.

Scroll Thief

Whenever this creature deals combat damage to a player, draw a card.

Sleep

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

Spelltwine

Exile target instant or sorcery card from your graveyard and target instant or sorcery card from an opponent's graveyard. Copy those cards. Cast the copies if able without paying their mana costs. Exile Spelltwine.

Sphinx of Uthuun

Flying
When this creature enters, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Battleflight Eagle

Flying
When this creature enters, target creature gets +2/+2 and gains flying until end of turn.

Stormtide Leviathan

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
All lands are Islands in addition to their other types.
Creatures without flying or islandwalk can't attack.

Switcheroo

Exchange control of two target creatures.

Drake

Talrand, Sky Summoner

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

Talrand's Invocation

Create two 2/2 blue Drake creature tokens with flying.

Tricks of the Trade

Enchant creature
Enchanted creature gets +2/+0 and can't be blocked.

Unsummon

Return target creature to its owner's hand.

Magic 2013