Mirato striker (checking it twice)

Personality: Mirato is in charge of the elves and decided that it would be best to dress the part, she doesn't really understand Christmas but she's trying her best to get into the spirit
Event ability: checking it twice (allows her to access the record and call upon Marato as a summon, doubles power in Christmas areas)
Class: reverser
Hidden abilities: blizzard (can use a reality marble that makes that causes a snowstorm, double power in snowy areas)
Present (when fighting with a partner she heals them as she does damage)
Weapons: various
Grand magic: list keeper
Rank: B
Characteristics: female, circuit, Christmas 2019
Rank explanation: This version of Mirato is a support servant with abilities that aren't very useful unless she's the lead fighter, reality marbles are never as good as they sound and present isn't any good if Mirato isn't the one doing damage, her grand magic buffs her whole team's defense or attack but never both.

Izami pieces (demonic Christmas: shiva)

Personality: izami is serving as the personal bodyguard for Santa and the North Pole, other than that nothing's changed other than her demonic powers being awakened
Event ability: demonic Christmas: shiva (makes her count as a grand summon and a servant, doubles power in Christmas settings, allows her to transform into demonic frost mode which increases her power
Class: alterer
Hidden abilities: half breed (she deals double damage to demon and human opponents but deals half damage against angel opponents)
Demon force phase 5 (doubles the power of her Dark and ice magic, allows her to drain health from hits with dark magic and allows her to inflict frostbite with her ice magic)
Weapons: various
Class: reverser
Grand magic: demon force final phase
Rank: EX+
Characteristics: demon, Japanese, female, magician, grand summon, Christmas 2019
Rank explanation: izami has taken the throne of best alterer from abigail Williams (rosebud), she has the ability to devistate her opponents with high power ice and dark magic, she can alter her opponents stats and drain their health, she has a nice power boost against well over half of the current characters and a power cut over only a select few, her grand magic is a massive dark magic attack that deals some pretty nice damage while also buffing her hidden ability "demon force phase 5" to even higher levels

Kirami skulls (harmonious Christmas: raja)

Personality: someone has to keep the snow machines going and that person is kirami skulls!
Event ability: harmonious Christmas: raja (makes her count as a grand summon and a servant, doubles power in Christmas settings, and allows her to use the harmonious transformation form raja)
Hidden abilities: perfect harmony (if she fights someone with better stats then her then their stats become equal)
Snow blossom dance (kirami has doubled power when using ice and life magic and is unaffected by ice and dark magic)
Weapons: none
Class: reverser
Rank: EX
Grand magic: snow blossom dance II
characteristics: female, grand summon, Japanese, magician, Christmas 2019,
Rank explanation: kirami is a good reverser servant she has a solid power level and some good abilities to back it up that allow her to never be at a disadvantage, she has a grand magic that buffs those around her and deals damage in a wide area around her

Angel snowburden (snowed in)

Personality: Angel is just here to check up on the reindeer after all working for 24 hours straight once and year can be pretty hard
Event ability: snowed in (doubles power in Christmas areas, allows him to call upon the power of winter to triple his power for 2 minutes every 72 hours)
Hidden abilities: animal lover (he can talk to animals and summon them to attack others)
Miracle worker (he can heal a persons wounds and save them from death once every 48 hours
Weapons: none
Class: caster
Rank: EX
Grand magic: healing hope and devastating despair
Characteristics: American, Christmas 2019, male, fae, magician
Rank explanation: Angel is a unique form of caster with just enough of a niche to slip into the EX rank for casters, he has some powerful healing magic that allow him to fill a support position and he also can work extremely well as a burst damage servant since he can boost his power and then use his grand magic which either does colossal damage or a great amount of healing

Cole bounce (pseudo Santa)

Personality: Cole has decided to step in for Santa while he's sick
Event ability: pseudo Santa (Cole can create fake duplicates of himself, double power in Christmas environments)
Hidden abilities: present
Snow blossom dance
Weapons: none
Class: warrior-caster
Rank: EX
Grand magic: Christmas Day
Characteristics: male, Christmas 2019, fae, Latino, magician
Rank explanation: Cole is very good lead servant he can heal his partners in battle and has some strong magic and physical attacks, his grand magic heals his teammates and buffs them up, he isn't the best in his class but he's still a good pick.