Notwithstanding both the timing of LCIs release and the coincidence with the banned list, Tidebender looks to be a formidable answer to the most pervasive of cards in the format, most notably The potential of Tidebender is really strong
The deck also features a number of strong removal spells including Walk the Plank and Ixalan's Binding, and it has copies of Vanquisher's Banner to buff your entire army and provide card draw
At least Call the Spirits tries to be new-ish with its theme, but the theme isn't particularly well done, with tons of cards that are neither enchantments, nor play well with them
However, other effects that reference the permanent (including effects with unlimited duration) can affect the permanent when it returns to play
Every Commander deck that cares about attacking or preserving its commander should be running a copy of Swiftfoot Boots if they dont have Lightning Greaves, and most decks can benefit from both
Foundations is a way for Wizards to put in mechanically unique cards as it doesnt have any set wide mechanics that we are used to with normal sets