Leyline Helm Oath proxy event fun

Thoughts?

4 forbidden orchard
4 Ancient Tomb
3 Mishra's Workshop
3 polluted delta
2 underground sea
2 bayou
2 urborg
1 tropical island
1 Mana Crypt
1 Mox Emerald
1 Mox Jet
1 Mox Sapphire
1 Mox Ruby
1 Sol Ring
1 Black Lotus

3 collective brutality
1 abrupt decay
2 defense grid
1 top
1 vampiric tutor
1 time walk
1 ancestral recall
1 thirst for knowledge
1 emrakul
1 rune-scarred demon
4 Oath of Druids
1 Chalice of the Void
1 Trinisphere
1 tinker
1 demonic tutor
4 Helm of obedience
4 Leyline of the Void
1 demonic consultation
1 imperial seal

SB:
4 dread of night
3 abrupt decay
2 defense grid
4 thoughtseize
2 mindbreak trap