MTG Salvation

Feel free to comment on my deck

Any tips on this deck I made?

Creatures
Barony Vampire
Child of Night
Fire-Field Ogre
Soul Seizer/Ghastly Haunting
Gatekeeper of Malakir
Grave Titan
Wall of Frost
Demon of Death's Gate
Blazing Specter
Nightscape Familiar
Skinrender
Dimir Cutpurse
Erdwal Ripper
Vampire Nighthawk
Fiend of the Shadows
Guard Gomazoa
Shriekmaw

Spells
Grixis Charm
Increasing Ambition x2
Grasp of Darkness
Preordain
Act of Treason
Cancel x2
Spite/Malice
Profane Command
Doom Blade x2
Slave of Bolas
Mana Leak
Ice Cage
Tribute to Hunger
Dissipate
Cruel Ultimatum
Foresee
Undermine
Countersquall
Mind Control
Jace's Ingenuity

Lands
Rupture Spire
Island x4
Terramorphic Expanse x4
Swamp x4
Crumbling Necropolis x2
Mountain x5

Planeswalker
Nicol Bolas, Planeswalker