Jalizar, the Aether-Mist

Hexproof.
At the beginning of each opponents upkeep, you
may look at that players hand.
Pay {u}: Remove Aether-Mist Phantom from the
game, then return it to the battlefield.
Pay {u}: Aether-Mist Phantom gets +1/+1 until
end of turn. It cannot be blocked this turn.
Pay {3}{u}{u}{t}: Counter target spell.