MTG Salvation

So, here's the deck so far:
B&W infinite persist
Creatures:
4x Murderous Redcap
2x Puppeteer Clique
2x Anafenza, Kin-Tree spirit
2x Viscera Seer
2x Soul Warden
3x Erebos's Titan
1x Elite Vanguard
2x Healer of the Pride
2x Duty-bound Dead
1x Ashling, the Extinguisher
1x Crypt ghast
1x Avacyn, Guardian Angel
1x Drana, Liberator of Malakir
1x Vampire Nighthawk
1x Butcher of Malakir
Spells:
2x Diabolic Tutor
2x Dark Ritual
1x Doom Blade
Enchantments:
2x Dead Weight
Artifacts:
1x Altar of Dementia
1x Sol Ring
1x Glasses of Urza
Lands:
13x Swamp
10x Plains
1x Ice Floe
2x Forsaken Sancpersis

Any ideas about what to add to this/remove? I'm trying to make this a limited budget project, so I won't exactly buy $20 cards. Thanks!!!



P.S. I know this is 62 cards.