Outside of his Voltron-style deck capacities, "Cloud, Ex-Soldier" is a really neat tribute to FF7 in a few ways
By removing highly expensive cards like Diablo from the mix, you can save a ton of money
Interestingly, the art there is different to the one on Divine Water Dragon, suggesting this might not be the only Sisu we get out of the set
2) Exile target artifact
Lightning Bolt, on the contrary, isnt legal in Standard or Pioneer, so its Thrum of the Vestige version from FCA is also unplayable in those formats
If the following sets, Wilds Unknown and Attack of the Vines, can capitalize on this, it could see Winterspell move up this ranking