Alright Marcy Playground fans I bring you the first correct tab of MPs song 
"Opium" from their self titled album - Marcy Playground - Enjoy!
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NOTE:
The original tuning is in Drop D.
Exact chords used:
Bm - x24432
A - x02220
G - 5x000x
D - 000232
Em - 222000
E - 222100
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Intro: Bm, A, G, D, A - x2

Bm (x24432@1)      ABlue (x02220@1)like water (water)
G (320003@1)       Em (022000@1)      D (xx0232@1)        A (x02220@1)Blue like heaven is all of the time
Bm (x24432@1)     A (x02220@1)I'm all right
G (320003@1)       Em (022000@1)      D (xx0232@1)          A (x02220@1)I'm just gagging on all the all right
E (022100@1)    Bm (x24432@1)I'm so happy (happy)
    D (xx0232@1)             ASo (x02220@1)happy (happy) Oh oh
E (022100@1)     BmI'm (x24432@1)in heaven (heaven)
      D (xx0232@1)               AYeah (x02220@1)heaven (heaven) Oh oh 
G (320003@1)     Em (022000@1)             D (xx0232@1)AD
Oh the season's come for opium 
D (xx0232@1)A (x02220@1) D (xx0232@1)   AmmMom..mmm..Mom (x02220@1)D (xx0232@1)A (x02220@1) D (xx0232@1)   A (x02220@1)mmMom..mmm..Mom 
E (022100@1)     BmI'm (x24432@1)so happy (happy)
    D (xx0232@1)             ASo (x02220@1)happy (happy) Oh oh
E (022100@1)     Bm (x24432@1)I'm in heaven (heaven)
     D (xx0232@1)                AYeah (x02220@1)heaven (heaven) Oh oh 
G (320003@1)     Em (022000@1)             DA   DOh (xx0232@1)the seizures come from opium

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NOTE:
If you wish to play it in Standard Tuning use the following chords:
Bm - x24432
A - x02220
G - 320003
D - xx0232
Em - 022000
E - 022100
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