Avoiding cheating in your miracles deck is one thing, but in order to not give away information, competitive players must now draw every card like they might stop and cast a miracle even if theres zero in their list
While Magic Arena and Magic Online basically cover all your needs for one-vs-one games, Commander is a whole other story
To shuffle cards in a stack, follow these steps: Deal all cards one card at a time into different piles randomly
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.