A couple of things, Betsy can't turn invisible, she is invisible to electronic sensors and the Panoptichron's sensors, which is not entirely unplausible seeing as it was ROMA who put her in the Exiles and Roma did the same trick to all the X-Men when she ressurrected them. It's called continuity, not adding powers
Darth, we worship Ororo because she is a GODDESS and Goddesses deserve worship
Now on to the fights!
1. Iceman (current, not full potential, so we cannot apply speculations) vs. Magma. Winner:
Magma Ice Melts. Period.
2. Angel vs. Husk. Lover's Quarrel? Winner:
Warren experience over power takes this one.
3. Nightcrawler vs. Crimson Dawn Psylocke. Winner:
Betsy. Crimson Dawn Betts had her telepathy. Just snap her fingers and Kurt is brain dead for life.
4. Full Potential Cable vs. Full Potential Rachel Summers (Askani) Winner:
Fandom Assembled we will all drool to see this battle, admit it.
5. Cannonball vs. Polaris (pre-horseman) Winner:
Lorna please, Magnetism beats all physical powers, see X-Men 2 The movie
6. Vulcan (his own power ONLY) vs. Rogue, Current Psylocke, Magma and Jean Grey w/o Phoenix. Winners:
Girls team. Vulcan is only one and we've seen he isn't immune to telepathy.