For , you can animate an enchantment into a creature, much like Starfield of Nyx
I like the rather silly concept of Storm Seeker, where an embedded metal sword is going to attract lightning
Ward: Opponents can challenge this card, but cant choose it when resolving an effect
There arent really many black or white Hydras (although Polukranos, Unchained applies, as does Grakmaw, Skyclave Ravager), so they become the support colorsboth of which know how to return permanents from the graveyard to the battlefield
Then you can remove three loyalty counters from Dihada to take a peek at the top four cards of your deck, snagging all the legendary cards you find and adding them to your hand, and making Treasure tokens equal to the number of cards you get
Because the ability includes a targeting clause, its not a mana ability, so you can respond to it on the stack and sacrifice the Engine to something like an Ashnod's Altar, which then goes infinite with Corpse Dance