Its Ability, Thunderclap Flash, allows us to attach an Electric Energy to it at the end of our first turn, which means that it can start attacking from the second turn with Lightning Claw , which requires two Electric Energies and inflicts 50 damage

Shimmer Dragon EDH | Commander | Stephen Johnson Commander (1) 1 Shimmer Dragon Creatures (30) 1 Broodstar 1 Shimmer Dragon 1 Treasure Mage 1 Vedalken Archmage 1 Vedalken Humiliator 1 Alloy Myr 1 Brass Squire 1 Burnished Hart 1 Etherium Sculptor 1 Foundry Inspector 1 Hovermyr 1 Karn, Silver Golem 1 Kuldotha Forgemaster 1 Metalwork Colossus 1 Myr Battlesphere 1 Myr Enforcer 1 Myr Galvanizer 1 Myr Propagator 1 Myr Retriever 1 Myr Welder 1 Palladium Myr 1 Padeem, Consul of Innovation 1 Phyrexian Metamorph 1 Pilgrim's Eye 1 Platinum Angel 1 Shimmer Myr 1 Silver Myr 1 Solemn Simulacrum 1 Urza, Lord High Artificer 1 Walking Atlas Instants (8) 1 Aetherize 1 Aetherspouts 1 Counterspell 1 Flusterstorm 1 Rapid Hybridization 1 Stoic Rebuttal 1 Swan Song 1 Whir of Invention Sorceries (1) 1 Fabricate Enchantments (2) 1 Frogify 1 Rhystic Study Artifacts (24) 1 Arcane Signet 1 Blinkmoth Urn 1 Crawlspace 1 Darksteel Forge 1 Darksteel Plate 1 Extraplanar Lens 1 Fellwar Stone 1 Fireshrieker 1 Genesis Chamber 1 Mind Stone 1 Myr Incubator 1 Myr Turbine 1 Ring of Three Wishes 1 Sol Ring 1 Spectral Searchlight 1 Sword of the Animist 1 Tormod's Crypt 1 Trailblazer's Boots 1 Unwinding Clock 1 Whispersilk Cloak 1 Blackblade Reforged 1 Hammer of Nazahn 1 Shadowspear 1 The Immortal Sun If you wanted to run this list as a regular Commander deck, you might swap out Shimmer Dragon for Padeem, Consul of Innovation

Across the UK, US and other participating countries Ancient Mew cards were given away during the week of the films release
While I have emphatically played every TCG-exclusive deck to come out, Mitsurugi is the first one that made me gasp, Oh, these are good