Rise of the Floodborn took the broad setting unveiled in Lorcanas The First Chapter and focused on the mysterious insurrection of the eponymous floodborn, a turbulent mixture of the six core Ink colours that are producing an alarming amount of glimmers and scattering lore across the universe
Dire Mimic is still a Treasure after its last ability resolves, but Treasure is an artifact type, never a creature type
Not expensive to get down -- 4/4 for 4 is also respectable -- and then for a mere 2 mana you can make a token copy of any creature entering the battlefield, including other players
Cloud's allies from Final Fantasy VII, such as Tifa, Martial Artist, Sephiroth, Fallen Hero and Red XIII, Proud Warrior, join him to further this strategy and provide payoffs or enablers for having massive creatures past that 7 power mark