If you want a more devious way to build Kelsien, slap on him a Thornbite Staff, which lets you untap Kelsien each time a creature goes to the graveyard
Mid level cards that are decent threats or let you go big in relative safety are really nice additions
There is also a bunch of removal spells so potent they come with other drawbacks such as extra non-mana costs or giving away perks to the opponent
These are put in so we can provide as much value as possible within the framing of the list
Of course, you'll want to replay Sephiroth to do it all again for a second, third, fourth, fifth, or sixth emblem and make every death hurt as much as possible
Ravnica Remastered takes your players back to Ravnica, featuring cards from each Ravnica block that celebrate the plane's incredible history