Devouring Skies Deck Changes

[Ibok]

This is the list of the pre-constructed deck from the new phyrexia decks called the Devouring Skies Deck.Its pretty cool to play but what changes would you do to make it more better. Tks for all your help.
Creatures
2 Augury Owl
2 Blind Zealot
2 Brass Squire
1 Darkslick Drake
2 Dementia Bat
3 Hovermyr
2 Impaler Shrike
1 Kiln Walker
2 Mortis Dogs
1 Necrogen Scudder
1 Neurok Invisimancer
1 Phyrexian Ingester
1 Silver Myr
2 Spire Monitor

Spells
1 Argentum Armor
2 Copper Carapace
1 Doom Blade
1 Necropouncer
2 Sickleslicer
2 Vapor Snag
2 Viridian Claw
2 Warlord's Axe


Lands
13 Island
11 Swamp
I just got back into playing and bought this deck and in to the breach deck and a couple boxes of booster packs just want to make this deck a little bit better. Tks for all your help guys.