Once it was decided that we were only exploring the mainline games, we made a spreadsheet for every game and filled it to the brim with every character, spell, weapon, monster, summon, and story moment we could fondly remember or that was so iconically FINAL FANTASY that it had to make an appearance
When casting your countermagic is already good, getting an additional effect pushes you towards a win
Next at the three spot is another pair of enchantments, this time both uncommon
Thankfully, Kinnan has an ability that we can use to put all our non-Human creatures into play
Harbor Serpent A 5/5 creature with islandwalk can be a pretty big threat, especially in formats with only 20 starting life
But you have to admit that it is incredibly cool, so theres some room there for it to be somewhat good