Outside of his Voltron-style deck capacities, "Cloud, Ex-Soldier" is a really neat tribute to FF7 in a few ways
Pippin, Guard of the Citadel sees competitive metagame play in 1 format(s): Commander
Keystone Seal also blocks Power Spray from being used during the opponent's turn, meaning they can use Claydol's Cosmic Power to help set up their board
Id primarily run Beasts with Ravenous Baloth in order to get the lifegain plus putting the creatures into the graveyard for later Nethroi use
That means if we have 6 Pokemon in play, we can use Psychic Embrace on each of them and have access to a single Energy attack that can snipe 180 damage anywhere we like (and heal 180 damage in the process) Zacian V Gardevoirs limitations on Brainwave vs HP walks so that Zacian V has the opportunity to run
If any land (yours or theirs) is tapped for more than one mana, that land will only add one colorless mana rather than any other type or amount