If you have any way to give it haste or it already got over its summoning sickness, the game is over
And like many Red cards in this oeuvre, (See Phoenixes and Hammer of Bogardan for examples), when the creature it enchants dies, you return this immediately to your hand for another go, giving you a solid aura that continues to turn any card you control into a major threat
Information is power, and with connive you can fill up your hand with powerful spells and boost your creatures at the same time
The composition places Mewtwo at the center of a psychic maelstrom, with energy radiating outward in concentric waves that fill the entire card with motion and intensity
Magic the Gathering's crossover with Stranger Things had introduced a new mechanic sort of
The flavor here gets an A+