It shares almost the same card pool with Legacy, but the latter enjoys a better mana base thanks to dual lands like Tropical Island that can be searched to fix your mana using fetch lands
Creature cost reduction is a great way to get ahead in the game, and this benefits from any wizard or merfolk typal effects that youre running
For three mana, you get an Enchantment with some pretty cool abilities
Islands cease to produce extra mana, since the effect of High Tide ends, and the delayed triggered ability no longer exists
We finally got our five-color Saga commander with Tom Bombadil this year, and if youd like to read more, I did a deep dive on him below
Then, you could turn him into a 7/7 indestructible creature on turn five