The fact that you can do this at instant speed can even help you dodge pesky Sheltered by Ghosts or Go for the Throat that could otherwise stop Nemesis from popping off

Julius Jumblemorph Ego Erasure Feisty Spikeling Firdoch Core Fire-Belly Changeling Flock Impostor Formless Genesis Game-Trail Changeling Gangly Stompling Ghostly Changeling Gladewalker Ritualist Graveshifter Guardian Gladewalker Impostor of the Sixth Pride Irregular Cohort Littjara Littjara Glade-Warden Littjara Kinseekers Masked Vandal Maskwood Nexus Mirror Entity Mischievous Sneakling Mistform Ultimus Mistwalker Moonglove Changeling Moritte of the Frost Morophon, the Boundless Mothdust Changeling Mutable Explorer Nameless Inversion Omni-Changeling Omo, Queen of Vesuva Overlord of the Hauntwoods Personify Prideful Feastling Realmwalker Rooftop Percher Runed Stalactite Shapesharer Shields of Velis Vel Sizzling Changeling Skeletal Changeling Springleaf Parade Stalactite Dagger Taurean Mauler Three Tree Mascot Turtleshell Changeling Universal Automaton Unsettled Mariner Valiant Changeling
People are pulling out Phyrexian Arenas for Sign in Bloods and then I have someone else even better
Here is every Commander Legends: Battle For Baldur's Gate precon deck, ranked from worst to best
A good starting point is to research your chosen theme, understand its main strategies, and learn which cards are crucial to executing those strategies
You can also transfer account information and certain cards from TCG Online to TCG Live when it launches, but some items, such as in-game currency, friends list, and avatar items, will not be transferable