alright, Bremen Mask seems to be fastest. Here's what I think we have now:
First Cycle
get 2R in pre-Clock Town area (2/0R)
Grandma's Stories to Day 3, Dance with Scarecrow to Night 3, deposit 2R (0/2R)
To ECT, do a full run through termina field to WCT (99/2R)
Deposit 99R, go to ECT, get Stray Fairy, run through Termina Field to NCT, get 99R, get Magic Meter, deposit 99R (0/200R)
Backflip to Clock Tower, get Ocarina and SoT, Play Song of Time
Second Cycle
Play SoDT, hit Clock Town Owl, get Bremen Mask
Withdraw 200R, Buy Bomb Bag + 20 Chus (20B) (20C) (70R)
Exit to West Termina Field, ISG-ISS to Fence, Pull out bomb while Sliding, hover over fence with bomb and chu, Slide to GB (17B) (19C)
ISS to water, hit Owl, get Zora Mask, Leever Slide to South Bay (16B) (19C)
Flying Zora to Fountain, blow up rock with chu, Fairy Fountain warp to Ikana (12B) (10C)
Slide to and hit Owl, 5 Bombs from Plant, Recoil Flip with bomb down to water, swim to Swamp and enter Lost Woods (15B) (10C)
Get 10R and ISS from Bombchu, Get Bottle (15B) (9C) (80R)
Zora ISS to Octorok, sidehop to Deku Palace (take 1 and 1/2 HP Damage) (14B) (9C)
ISG-ISS past guards and climb the Palace, Get Sonata + SoS (11B) (9C)
Get 4 Deku Sticks on the way to Woodfall Temple and enter
Superflip Hover past Gap, Kill Lizarfos with Jumpslash Strat, Get Bow (9B) (8C)
Recoil Flip to get OoB, 8 Superflip hovers to boss room, Kill Odolwa (1B) (0C)
Warp to CT, Duplicate bottle over Deku Nuts, Deku Mask, and Bremen Mask and sell Red Potion (160R)
Buy 20 Bombs and 20 Chus (20B) (20C) (20R)
Warp to GB, Swim to Pirate's Fortress
Superflip past gap, Get Hookshot and first Zora Egg, bombchu recoil flip to second Zora Egg (18B) (18C)
Hookshot to target, jump around slope to third Zora egg, hookshot to target and skip the Pirate Battle for the fourth Zora Egg, warp to Great Bay (15B) (14C)
Deposit Eggs, swim to Pinnacle Rock and get the last 3 Zora Eggs
Warp to Great Bay, deposit Eggs for NWBN and swim to South Bay
Play Zora Pots Game once, go to South Bay Owl, Get 5 Bombs, and enter GBT (120R) (20B) (14C)
Superflip past gap and ISS to Flywheel Room (17B 13C)
Boss Key Skip, Kill Gyorg, get 5 Bombs from pot (18B) (10C)
Zora Grab Ledge and Hookshot to Fairy Fountain, Fairy Fountain Warp to Snowhead (14B) (2C)
ISG-ISS up to Snowhead Temple (13B) (2C)
Block Skip, Bomb Long Jump in Bridge Room (1/2 Damage) and kill Freezard with sword (12B) (2C)
Scarecrow's Song Skip, 2 Bomb recoil Flips to Wizrobe, Beat Wizrobe using Infinite Deku Stick from Bomb Damage, Get Fire Arrows, Hookshot to torch (9B) (2C)
Hookshot other torch, superflip hover to snowballs, ISS through the snowballs with a bomb (6B) (1C)
Superflip hover to Boss Door, Boss Key Skip, Kill Goht with Superslide into cutscene (2B) (0C)
Get 5 Bombs from plant, Warp to CT, Buy 10 Bombs and 20 Chus (17B) (20C) (0R)
Warp to Ikana, Pull out Bomb while walking to plant, Get 5 Bombs, ISS up to Stone Tower (20B) (20C)
Climb Stone Tower with Mega Flips, enter ST (11B) (13C)
HISS over to door, Bomb Staircase + Sidehop strategy past Sun Block (8B) (9C)
Get small key and minimize Magic Meter to 4 Fire Arrows and 1 Light Arrow
Bomb Staircase + Zora Grab past Sun Block, Get 10 Bombs from Nejirons and take 1/2 Heart of Damage (16B) (6C)
Recoil Flips in Updraft Room, Kill Garo's Master with Infinte Deku Stick from Bomb, get Light Arrow and deathwarp (13B) (5C)
Invert Stone Tower with Bombchu Recoil Flip and enter Inverted Stone Tower (13B 4C)
Bomb Long Jump past first room, Boss Key Skip (8B) (1C)
Kill Twimmold with Fire Arrow Strat
Warp to CT, Clock Tower early (5B) (0C)
Slide to Majora Kid, kill first two cycles of Majora normally, kill 3rd cycle with Infinite Deku Stick from Bomb (3B) (0C)
MrGrunz and Slowking, if you want to look this over and correct mistakes, feel free.