5 mana is perfectly accessible for a casting cost, and with a way to move your permanents out of harms way or cast them from suspend or the graveyard, it has almost no equal when it comes to facilitating the end of the game
Magic the Gathering: Final Fantasy Commander Deck Set (Set-of-4) Magic the Gathering: Final Fantasy Commander Deck Set (Set-of-4) x per order Product Description The entire FINAL FANTASY saga is here
You must pay the costs to cast that spell
Being two mana is a drawback compared to the other two, but being able to fight at instant speed opens up the possibility of some big blowouts (and reduces the chances of your creature getting killed in response to the fight spell since you have more control over the timing), and drawing a card if you win the fight is really powerful
Simba, the other main option in the pack, is one of the best commons in the set
Control of the Equipment doesn't change