10/180: flush draw against two unknowns

[Jack-in-a-box]

Hi. I saw MP3 once minraising a limper with JTo, that the only read I've got on him. BB is unknown.

PokerStars No-Limit Hold'em Tourney, Big Blind is t100 (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Hero (t2987)
MP2 (t6453)
MP3 (t1375)
CO (t1215)
Button (t3345)
SB (t1055)
BB (t2270)
UTG (t1445)
UTG+1 (t4365)

Preflop: Hero is MP1 with A[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/spade.gif[/img].
<font color="#666666">2 folds</font>, Hero calls t100, <font color="#666666">1 fold</font>, <font color="#CC3333">MP3 raises to t200</font>, <font color="#666666">3 folds</font>, BB calls t100, Hero calls t100.

Flop: (t650) 8[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">BB bets t400</font>...

I don't like pushing for a lot of reasons, calling seems bad because I've got preflop raiser behind. But actually I got what I wanted - a nut flush draw, so how should I proceed?

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