Deck help please

[Spawnk]

I'm rather new to l legacy and I w was looking for some help on my deck list. All advice is appreciated.
It's counter to so I'll list it by CMC

0 cost:
Engineered explosives x 1

1 cost:
Brainstorm x 4
Swords to plowshares x 3
Sensei's divining top x 4
Enlightened Tutor x 4

2 cost:
Counterspell x 2
Counterbalance x 4
Snapcaster x 2
Thopter Foundry x 2
Sword of the meek x 2

3 cost:
Oblivion ring x 2

4 cost:
Jace, the mind sculptor x 2
Moat x 1

5 cost:
Force of wills x 4

21 lands

[Wirrsturm]

It feels like this thread here seems very pertinant to your interests:

http://www.mtgthesource.com/forums/showthread.php?16836-Deck-CounterTop-Thopter