Pick your favorites among your colors to bring your deck to 22 or 23 cards, and then you're good to go from the spell side
Putting a land card onto the battlefield with PuPu UFO's first activated ability doesn't count as playing a land
Cloud, Midgar Mercenary As the second coming of Stoneforge Mystic, Cloud, Midgar Mercenary is pretty powerful, allowing you to tutor for an equipment and have a toolbox at your disposal
The Wandering Minstrel comes from Final Fantasy 14, an NPC that gives you difficult content in the game (and is modeled after the director of Final Fantasy 14, Naoki Yoshida)
But perhaps if you play in a small group of friends, where the same decks keep cropping up again and again, it makes sense to prepare for each other's strategies, if that's the norm for your playgroup