I'll assume that NO ONE wants to counter the Vindicate.
Untap, Upkeep, Draw, Tropical Island again, Rhystic Study. Regardless of any move. Done.
NOTE: If this spell resolves, please state if you are paying the extra 1 mana WHEN YOU ARE PLAYING THE SPELL. If you do not, I WILL draw the extra card. If you fail to notice the Study while casting the spell and you didn't mean for me to draw, that's just tough. This game contains far to many variables to go back and fix anything.
Rokapoke: 18
Hand: 3
Library: 51
In play:
(TTTT) Plains x4
Graveyard: Aven Brigadier, Suntail Falcon, Dragon Scales, Daru Warchief
RFG:
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Budget Player Cadet: 35
Hand: 4 (3?)
Library: 52
In play:
(TTT) Swamp
(T) Cabal coffers (2, tap: add B to your mana pool for each swamp you control.)
Graveyard: Dark Ritual 4x, Syphon Mind, Innocent Blood, Barter In Blood, Subversion
RFG:
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Spiderman: 18
Hand: 4
Library: 49
In play:
(T) Scrubland (B/W dual)
(U) Bayou (B/G dual)
(T) Swamp
(T) Nantucko Monastery (T: Add 1 to my mana pool. Threshold - GW: ~ becomes a 4/4 green and white creature with first strike ueot. It's still a land)
Graveyard: Plains, Abyssal Gatekeeper, Vindicate
RFG:
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Ransac: 18
Hand: 3
Library: 49
In play:
(T) Savannah (G/W)
(U) Tundra (U/W)
(TT) Tropical Island (G/U)
Rhystic Study (Whenever an opponent plays a spell, you may draw a card unless that player pays 1)
Graveyard: Temple Garden, Crystalline Sliver, Crystalline Sliver
RFG:
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Rakarth: 18
Hand: 6
Library: 51
In play:
(T) Island
(T,T) Plainsx2
Graveyard: Island, Drift of Phantasms
RFG:
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Modus Pwnens: 17
Hand: 3
Library: 50
In play:
(T, T) Forest
(T) Mountain
(T) Grove of the Burnwillows (T: 1 colorless. T: G or R, each opponent gaines 1 life)
Graveyard: Seize the Day, Sakura-Tribe Elder, Wild Mongrel, Kavu Predator
RFG:
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Mooseman: 18
Hand: 5
Library: 50
In play:
(UUU) Island x3
Graveyard: Quash, Erayo
RFG:
Ransac, cpa trash man