What affects the value of Summon: Bahamut

Acid-Spewer Dragon Adult Gold Dragon Akoum Hellkite Akul the Unrepentant Alabaster Dragon Amareth, the Lustrous Ambitious Dragonborn Amethyst Dragon Ancestor Dragon Ancient Brass Dragon Ancient Bronze Dragon Ancient Copper Dragon Ancient Copper Dragon Ancient Gold Dragon Ancient Hellkite Ancient Silver Dragon Ao, the Dawn Sky Arashin Sovereign Arcades Sabboth Arcades, the Strategist Arcbound Whelp Archive Dragon Archwing Dragon Armament Dragon Artificer's Dragon Ashmouth Dragon Astral Dragon Atarka, World Render Atsushi, the Blazing Sky Avaricious Dragon Avenging Hunter Backdraft Hellkite Bahamut, Warden of Light Balefire Dragon Beledros Witherbloom Belltoll Dragon Betor, Ancestor's Voice Betor, Kin to All Bhaal's Invoker Black Dragon Bladewing the Risen Bladewing, Deathless Tyrant Blast-Furnace Hellkite Bloomvine Regent Blue Dragon Bogardan Hellkite Boltwing Marauder Bone Devourer Bone Dragon Bonehoard Dracosaur Boneyard Scourge Boulderborn Dragon Brainstealer Dragon Brimstone Dragon Broodcaller Scourge Broodmate Dragon Broodmate Tyrant Caldera Pyremaw Canopy Dragon Canopy Gargantuan Capricious Hellraiser Catacomb Dragon Cavern-Hoard Dragon Chaos Dragon Chardalyn Dragon Chiss-Goria, Forge Tyrant Chromium Chromium, the Mutable Clarion Conqueror Clockwork Dragon Cloud Dragon Colossal Grave-Reaver

Ive been harping on about playing more board wipes for longer than many of you reading this review, Im sure, but Wizards are dropping more and more sweet wipes for Commander that solve the (imaginary, pretend) issue of them being dead late, or a tempo loss to play
This is still a little underpowered, but it's a good step towards a stronger deck
Back Galian Beast Trample, lfelink When Galian Beast dies, return it to the battlefield tapped (front face up)
Unfortunately, as her cost is only three, it limits which songs she can do this with, but this could still be a very powerful card when used well