This is a black & white Banshee deck. A Spirit Linked Banshee is pretty gruesome. If you have a Banshee with 3 Spirit Links and you tap 6 mana to do 3 damage to a target, you net 15 life!

2 Ruins of Trokair
10 Plains
10 Swamp

4 Banshee
1 Stromgald Cabal [can counter white spells]
3 Order of the Ebon Hand [prot. white, pumpable]
1 Northern Paladin [can destroy black permanents]
1 Exorcist [can destroy black creatures]
3 Death Speakers [prot. black]
3 Order of Leitbur [prot. black, pumpable]

4 Spirit Link [for Banshees especially]
1 Greed [when I have lots of life from Banshees]
4 Dark Ritual
2 Purelace [lace spells for Cabal to counter]
2 Deathlace [lace permanents for Paladin to kill]
2 COP: black [for Banshees]
2 Disenchant
1 Swords to Plowshares
1 Terror
2 Prismatic Ward [protect Banshee from e.g. Fireballs]
1 Black Ward [I can Deathlace spells to fizzle them]