Cards are considered to be spells as long as theyre on the stack and nowhere else
Imotekh is a better leader for this precon by miles, if only because he can flood a battlefield with Necron Warrior tokens like it's nobody's business
As if protecting its owner from the Shaheeli Rai / Felidar Guardian combo with only one counter werent enough, it keeps other creature decks in check, and can convert a bunch of mana into an insurmountable battlefield state if left untouched
Toil is an okay draw spell made better by its mischievous counterpart, Trouble
Chrononauts has three separate ways to win: alter the timeline in the right ways, fulfill your mission by collecting a certain combination of three artifacts, or have ten cards in your hand at the end of your turn
Hashimoto's first card was the Wishiwashi Character Rare from Sun & Moon Cosmic Eclipse