[Post Lorwyn-Standard] Faeries?

This is my thought for a deck for standard once Lorwyn becomes legal. It has 40 rares and probably costs $400, but here it is:

4x Secluded Glen (T: Add U or B to your mana pool. CITP tapped unless you reveal a faerie from your hand)
4x River of Tears
4x Underground River
4x Faerie Conclave
3x Island
2x Swamp
1x Urborg, Tomb of Yawgmoth

4x Oona Prowler (3/1 Flying for 1B, opponent may discard a card to give -2/-0 until EOT)
4x Spellfumbler Sprite (1/1 flying for 1U, Flash, CITP counter target spell with converted mana cost equal to or less than the number of faeries you control)
4x Scion of Oona (1/1 flying for 2U, Flash, Other Faeries get +1/+1 and shroud)
3x Tapper faerie (2/1 flying for 2U, Flash, CITP tap or untap target permanent)
2x Mistblind Clique (4/4 flying for 3U, Flash, CITP RFG a faerie you control or sacrifice this, if it leaves play, the RFGed faerie comes back, CITP tap all lands target player controls)
2x Faerie Legend (3/3 flying for 2UB, Flash, UB Pay 2 life: Return ~this~ to its owner's hand)

4x Rune Snag
4x Cryptic Command (1UUU, Instant, Choose 2: Counter target spell, tap all creatures target player controls, return target permanent to its owner's hand, draw a card)
3x Psionic Blast
4x Profane Command (XBB, Sorcery, choose 2: Return target creature with casting cost X in your graveyard to play under your control, target creature gets -X/-X until end of turn, target player loses X life, up to X target creatures gain fear until end of turn)
4x Thoughtseize (B, Sorcery, Target player reveals his or her hand, choose a nonland card from it, that player discards that card, you lose 2 life)

Thoughts? Obviously the sideboard needs creature hate (Deathmark, most likely, and potentialy others) but it seems very strong.