Please comment and suggest changes! Always looking to make my cube better.

Aetherdrift

Stock Up - Kitesail Larcenist
Fuel the Flames - Rending Flame
Gastal Thrillroller - Collective Defiance
Agonasaurus Rex - Thrun
Thunderous Velocipede - Nissa 3 mana
The Aetherspark - Weathered Sentinels

Tarkir Dragonstorm

Ugin, Eye of Storms - Colorless
Descendant of Storms - Usher of the Fallen
Elspeth, Storm Slayer - Sun Titan
Voice of Victory - Selfless Spirit
Qarsi Revenant - Darkstar Augur
Rotcurse Rakshasa - Pack Rat
Sinkhole Surveyor - Valki, God of Lies
Cori Steel Cutter - Obliterating Bolt
Magmatic Hellkite - Sawhorn Nemesis

Final Fantasy Potentials

Summon Bahamut (Regular / Borderless) -
Ultima -
Hildibrand Manderville FIC -
Lord Jyscal Guado FIC -
Protection Magic FIC -
Summon Good King Mog XII FIC -
Summon Yojimbo FIC -
Hraesvelgr of the First Brood FIC -
Jill, Shiva's Dominant -
Lulu Stern Guardian FIC -
Observed Stasis FIC -
Summon Valefor FIC -
Cecil, Dark Knight (Regular) - Iridescent Vinelasher / Evolved Sleeper
Jecht, Reluctant Guardian -
Sephiroth, Fabled Soldier (Regular / Borderless) -
Kain, Traitorous Dragoon -
Gau, Feral Youth FIC -
Sabin, Master Monk FIC -
Summon Esper Valigarmanda (Regular / Borderless) FIC -
Summon Kujata FIC -
Yuffie, Materia Hunter FIC -
Esper Origins - (Regular / Borderless)
Summon Fenrir (Borderless) -
Traveling Chocobo -
Emet Selch (Regular) -
Lightning, Army of One (Borderless) -
Starting Town -

Miscellaneous

Mulldrifter - Murktide Regent
The Cruelty of Gix - Crabomination
Savage Beating - Inferno Titan
Wrenn and 7 - Gruff Triplets