You're like 75% in on morph, but you've also got some extraneous cards you don't really need to be using, like Ophidian(You're in blue-you'll get better payoff just using a draw spell or something that taps to draw) AwesomeName on Go Go Morphing Wizards 10 years ago Quicksilver Dragon, Dermoplasm, Voidmage Apprentice, Counterspell, Thousand Winds, Caged Sun, Rite of Replication ,Rhystic Study, Patron Wizard, Sigil Tracer, Vesuvan Shapeshifter, Stratus Dancer, Arcanis the Omnipotent, Capsize, Brainstorm, Fact or Fiction, Pongify, Mind Stone, Diviner's Wand, Riptide Laboratory, Coral Atoll, Nykthos, Shrine to Nyx, Halimar Depths are some that might be worth considering.
Gameplay wise, Mega Ampharos can really mess up for your opponent if played when he/she doesn't have many Energy cards in play
In your deck design, think, What could totally disrupt my plan? and maybe have some sort of answer available to at least possibly draw
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