Mana Leak

Counter target spell unless its controller pays {3}.

Maritime Guard

Mass Polymorph

Exile all creatures you control, then reveal cards from the top of your library until you reveal that many creature cards. Put all creature cards revealed this way onto the battlefield, then shuffle the rest of the revealed cards into your library.

Merfolk Sovereign

Other Merfolk creatures you control get +1/+1.
{T}: Target Merfolk creature can't be blocked this turn.

Merfolk Spy

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Whenever this creature deals combat damage to a player, that player reveals a card at random from their hand.

Mind Control

Enchant creature
You control enchanted creature.

Negate

Phantom Beast

When this creature becomes the target of a spell or ability, sacrifice it.

Baneslayer Angel

Flying, first strike, lifelink, protection from Demons and from Dragons

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.)

Redirect

You may choose new targets for target spell.

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.

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.

Time Reversal

Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Time Reversal.

Magic 2011