Ok it's a vampire deck. Probably the first creature-focused deck I have
----------------Land:25----------------------
Swamp x 12
Island x 6
Terramorphic expanse x 2
Crumbling necropolis x 1
Drowned catacomb x1
Piranha marsh x1
Esper panorama x1
Shimmering grotto x1
----------------Creature: 15---------------------
Child of the night x4
Vampire nighthawk x3
Captivating vampire x2
Bloodline keeper/ Lord of lineage x2
Stromkirk captain x1
Sangromancer x1
Roil elemental x1
Tidehollow strix x1
---------------Instant: 4-----------------------
Negate x2
Undying evil x1
Mana leak x1
---------------Sorcery:12---------------------
Mind rot x4
Rise from the grave x4
Duress x3
Feast of blood x1
--------------Enchantment:4-----------------
Mind control x2
Bloodchief ascension x1
Leyline of anticipation x1
-------------Artifact:4------------------------
Sword of vengeance x2
Whispersilk cloak x2
-------------------------------------------------
Mana cost (Each letter stands for one mana of the color represented by the letter, b for black, r for red, w for white, g for green, and u for blue. Each number stands for number of noncolor mana):
b:5
1b:5
1u:3
ub:1
3:4
2b:4
1bb:5
1br:1
2bb:3
2uu(0):1
4b:4
3uu:2
3uuu:1
Formerly an "all your creatures belong to me" themed deck, but didn't work out, only to find myself having quite a few vampire themed cards. More of a mid-game deck with a early game better than my other decks, which all suck in early game.