LEGEND:
QCF = Quarter Circle Forward. Down, Down+Forward, Forward.
QCB = Quarter Circle Backward. Down, Down+Back, Back
HCF = Half Circle Forward. Back, Down+Back, Down, Down+Forward, Forward.
HCB = Half Circle Backward. Forward, Down+Forward, Down, Down+Back, Back.
FCM = Full Circle Motion. Down, Forward, Up, Backward, Down/Down, Backward, Up, Forward, Down.
DPM = Dragon Punch Motion. Forward, Down, Forward.
RDP = Reverse Dragon Punch. Back, Down, Back.
DD = Double-Down. Down, Down.
TD = Triple-Down. Down, Down, Down.
A = Light
B = Medium
C = Heavy
D = Magic
E = Grab
F = Taunt
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General
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Block - Hold Back, or Down and Back.
Dash Forward - Tap forward twice.
Dash Backward - Tap backward twice.
Launcher - Down+Forward + C.
Tech - Hold Up in air, hold Down when landing.
Grab - Forward + E / Backward + E
Pushblock - A+B While In Blockstun. (Blockstun=Blocking animation)
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Applejack
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Up + E - Grants 1 Magic. Resource Throw.
Down + E - Groundbounce Throw.
Back + E - Damage Throw.
Forward + E - Wallsplat Throw.
Air Up + E - Ender Throw.
Air Back + E - Damage Ender Throw.
Air Down + E - Groundbounce Throw.
Air Forward + E - Wallsplat Throw.
Forward + B - Pony's Elbow.
Applebuck - QCF+A/B/C/D. D Applebuck requires 2 magic. 
Applequake - DD+A/B/C/D. D Applequake requires 2 magic.
Lass-O-Rama - QCB+A/B/C/D. A/B/C Lass-O-Rama Grants 1 Magic. D Lass-O-Rama requires 1 magic.
Appledash Forward - HCF+D. Requires 1 Magic.
Appledash Back - HCB+D. Requires 1 Magic.
Summer Rambo - QCB, HCF+C. Requires 1 level of Super Meter.
Buster Hoof - QCB+C DURING Summer Rambo. Requires 2 levels of Super Meter.
Applebuck Blaster - QCFx2+C. Requires 3 levels of Super Meter.
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Twilight Sparkle
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Forward + E - Blowback Throw.
Backward + E - Groundbounce Throw.
Backward + C - Crescent Cutter. 
Read A Book - D. Grants 1 Magic.
Magic Spark - QCF+A/B/C/D. D Magic Spark requires 1 Magic.
Teleport (Offensive) - DPM+A/B/C.
Teleport (Defensive) - RDP+A/B/C.
Magic Eruption - DD+A/B/C. Requires 1 magic.
Chapter Trap - QCB+A/B/C/D. A/B/C Chapter Trap require 1 Magic. D Chapter Trap requires 3 Magic.
Story Arc Climax - QCFx2+C. Requires 1 level of Super Meter.
Magic Nova - HCFx2+C. Requires 3 levels of Super Meter.
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Rainbow Dash
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Forward + E - Faceplant Throw.
Backward + E - Damage Throw.
Air Dash - Forward x2/Backward x2
Warm-Up Stretch - F. Gives 1 magic upon success.
The Rainbow Dash - Any Direction + D. Requires 1 Magic.
Bolt Kick - QCF+A/B/C. Light follows up with a low kick, Mid follows up with a knockback kick, and Heavy follows up with a groundbounce kick.
Cloud Leap - DPM+A/B/C. Pressing light during the jump transitions to a free divekick, pressing medium transitions to an air grab, pressing heavy transitions to a forward air dash.
Must Come Down - QCF+A (In Air.) Groundbounce Throw.
One, Two, Three! - QCF+B (In Air.) Combo Throw
Plummet - QCF+C (In Air.) Damage Ender Throw.
Flight - QCB+A.
Lightning Cloud - QCB+B/C - If performed on the ground, RD will send out a Lightning Cloud projectile. If performed in the air, RD will summon a cloud and kick it to send lightning crashing down on the opponent.
Rainbow Barrage - QCFx2+C. Requires 1 level of Super Meter.
Sonic Rainboom - HCFx2+C. Grab Super. Requires 3 levels of Super Meter.
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Pinkie Pie
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Forward + E - Launcher Throw.
Backward + E - Knockdown Throw.
Number 1 Glove - Forward + C.
Party Flip - Up + C (In Air.)
Party Cannon - QCF+A/B/C/D. D Party Cannon requires 1 Magic.
Cartwheel - QCF+A/B/C.
Raise The Hoof! - DPM+A/B/C.
Be Right Back! - RDP+A/B/C/D. D Be Right Back requires a Present to be on screen.
Cupcake Barrage - QCBx2+C (In Air.) Requires 1 level of Super Meter.
Present Trap - QCFx2+C. Requires 2 levels of Super Meter.
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Rarity
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Forward + E - Knockback Damage Throw.
Backward + E - Knockback Throw.
Amethyst Missile - QCF+A/B/C/D. D Amethyst Missile requires 1 Magic.
Reverse Amethyst Missile - QCB+A/B/C/D. D Reverse Amethyst Missile requires 1 Magic.
Eruption Gem - DPM+A/B/C/D. D Eruption Gem requires 2 Magic.
Ward Gem - RDP+A/B/C.
Rake Gem - DD+A/B/C/D. D Rake Gem requires 2 Magic.
Gem Pillar - QCFx2+A/B/C. Requires 1 level of Super Meter.
Gem Storm - QCBx2+C. Requires 2 levels of Super Meter.
Makeover! - FCM+C. Grab Super. Requires 3 levels of Super Meter.
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Fluttershy
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Forward + E - Knockback Throw.
Backward + E - Run Throw.
Air Dash - Forward x2/Backward x2
Ferret - QCF+A/B/C. Requires 2 Magic.
 [Ferret Dash - Forward/Backward + D.
  Ferret Swipe - D
  Ferret Leap - Down + D
  Ferret Dismiss - QCF+A/B/C]
Porcupine - QCB+B/C. Requires 1 Magic.
 [Porcupine Strike - Down+D
  Porcupine Dismiss - QCB+B/C]
Falcon - DD+B/C. Requires 2 Magic.
 [Falcon Takeoff - D]
Harry The Bear - QCF+D. Requires 3 Magic.
 [Bear Slap - D
  Bear Charge - QCF+D]
Dismissal - QCB+D. Removes all animals from the field, restores all Magic.
Flight - QCB+A.
Charge! - QCBx2+C. Requires 1 level of Super Meter.
Leave Me Alone! - QCF, HCB+C. Requires 2 levels of Super Meter.
THE STARE - TD+C. Requires 3 levels of Super Meter.
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Trixie Lulamoon
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-Throws Not Final-
Magic Surge - Backward+A/B/C (Air OK.) Requires 1 Magic, removes 1 Magic if the attack misses.
Launcher Surge - Down and Backward+C. Requires 1 Magic, removes 1 Magic if the attack misses.
Powerful Beam - QCF+A/B/C. Requires 1 Magic, removes 1 Magic if the attack misses.
Great Hurricane - QCB+A/B/C. Requires 1 Magic.
Smoke Bomb - DPM+A/B/C.
Counter Stance - DD+A/B/C. Gives 1 Magic if counter is successful.
Grand Finale! - QCFx2+C. Requires 1 level of Super Meter.