CoNegima

Magic/ability/energy negation (Asuna, Touta, Cutlass)
Mind control (Eva via vampire bite)
Shadow teleportation (Eva)
Unable to be harmed by physical attacks (Eva, Negi's lightning form, Homura's fire spirit form, Santa)
Vampire immortality (can quickly regenerate from practically anything)
Forced dimensional warp (Eva, Tamaki)
Clones (Eva's clone, Kaede's and Kotaro's shadow clones, Negi's lightning clones)
Puppetry (Eva)
Magic and energy absorption (Magia Erebea)
Absolute 0 field (Cosmic Catastrophe)
Forced phase change (Ensis Exsequens)
Ice manipulation/regeneration (Queen of Ice)
Pocket dimension (Kaede)
Memory erase (Negi)
Lightning form (Raiten Taiso, Quintum)
Inexhaustible power (Resonance, Negi's magic circle)
Spellbreaker, displacement, and BCTL bullets (Mana)
Mind reading (Nodoka, Rakan)
Can hit intangibles, including spirits (Shinmei-ryū, Rakan, Fate, many others)
Invulnerable clone (Albireo)
Copying others perfectly including memory, abilities, appearance, etc (Albireo)
Gravity magic, black holes (Albireo)
Bullshit willpower (Rakan)
Weapon generation (Rakan)
Demon summoning (Dynamis)
Satellite cannon (Chachamaru)
Petrification (Fate)
Water teleportation (Fate)
Possession upon death (Ialda)
Body-terrain integration (Ialda)
Switch the position of two objects within 100 meters, including body parts (Jinbei)
Unable to be harmed (Karin)
Save point (Kirie)
Possession of people and technology (Santa)
Phasing (Santa, Sayoko)
Telekinesis (Santa)
Time travel, time jumps (Chao)
Dimensional travel (Chao)
Timestop (Cutlass, Koyomi, Touta+Kirie)
Can move during timestop of others (Negi, Asuna, Cutlass, Kirie)
Space disintegration (Dana)
Time crush (Dana via time window)
Forced teleport (Shion)
Necromancy (Sayoko)
Soul-level viral infection (Sayoko)
Extra lives + invincibility after respawning (Gengorou)
Cosmo-Entelecheia illusionary world (Poyo/Zazie)
Teleportation resistance (Fate)
Teleportation (Shion, Mana)
Item summoning/equip (Mana, Gengorou, Cutlass)
Unable to be noticed (Natsumi)
Infinitely vast dimension creation (Tamaki)
Magic suppression bullets (Yuna)
Transformation suppression bullets (Yuna)
Can purify spirits (Dana)
Selective strikes (Shinmei-ryū)
Magic sealing (Eva, Fate)
Paralysis (Ialda)
Flight (Santa, Negi, Eva, Fate, a lot of people)
Ki manipulation (Pretty much every martial artist)
Drug amp (Ako)
Black of Mars amp (Touta, Cutlass)
Drawing summons (Haruna)
Spells of various different elements (series-wide)
Technique imitation (Rakan)
Anti-paralysis (Yue)
Ignore law of perspective (Dana)

Physicals:
Strength = Strong enough to completely destroy a 50 km diameter asteroid in a single strike (Negi + Asuna)
Durability = scales to strength (Ialda-Nagi tanks strikes from Negi)
Speed = High relavistic to lightspeed (Karin's Holy Fist is lightspeed, drug-amped Yuna is fast enough that Nodoka, who is FTE to someone with 0.33c reactions, looks like she's moving in slow motion)
Skill: Master swordsman, marksman, martial artist