Mega Ztonez
Metagame Premise: Similar to Mix and Mega, there's no limit to the number of mega evolutions per team (though here they do at least have to use their regular stone). After a Pokemon Mega Evolves, it can use its Mega Stone as a Z-crystal, powering up any move that matches one of its (post-mega) types. You cannot use a Z-move on the same turn as the mega evolution takes place, because the "mega evolve" icon hogs the same piece of screen real estate as long as it's an option, and there's still a limit of one Z-move instance per Pokemon (as opposed to the usual one per team).
Mechanics clarifications:
Wallbreakers galore, pretty much. Charizard-Mega-Y Z-Fire Blast? More like, Charizard-Mega-why-not?
Setup, especially setup that's off-limits for the first turn, seems like it'd be pretty weak here, but who wouldn't want to see Mega Gyarados use Z-Splash just once in their life? And of course there's also mind games like expecting a frail lead to Protect on the first turn, so you do something that won't be wasted into Protect, only to find that they used the turn to set up after all.
Defensively, the fact that status moves often have a type disconnect with the Pokemon that tend to use them leaves them less well-suited for rules like this. Z-Psych Up, for instance, is a useful effect in copying any boosts they might have and getting a one-time 100% health refill, but since it's a Normal move, no megas can actually make use of that except Audino. Z-Haze also has no STAB megas whatsoever. I guess...at least Sableye gets Z-Spite?
Nothing is requiring you to use nothing but megas, though. There are some options out there like Porygon-Z with Z-Conversion, and that's a role that (especially with the option to audible into Z-Hyper Beam instead) isn't really replicated by any existing mega, so when it's not impinging on its teammates' ability to use Z-moves as well, you might still see some of that. Z-Memento, if you can find a reasonable use case for that, is probably best off being used by a non-mega anyway.
The fact that the "mega evolution" button normally covers up the "Z-move" button could also give rise to something called the Mega Stone Lure: send out a Pokemon that looks like it might mega evolve, but you gave it a Z-crystal instead. Obviously you can't mega evolve with that, and the crystal can only cover one type (though it isn't limited to being a STAB type) instead of potentially two, but that's the only way that you can enable it to use a Z-move right away on turn 1, which they might not be expecting. Certainly it won't hit as hard as it would with its mega stats, but sometimes being able to go off one turn sooner can be enough of a difference maker. Think something like physical Pidgeot with Z-Mirror Move, which gives +2 Attack and Z-ifies the opponent's most recent move, regardless of its type.
Questions:
Metagame Premise: Similar to Mix and Mega, there's no limit to the number of mega evolutions per team (though here they do at least have to use their regular stone). After a Pokemon Mega Evolves, it can use its Mega Stone as a Z-crystal, powering up any move that matches one of its (post-mega) types. You cannot use a Z-move on the same turn as the mega evolution takes place, because the "mega evolve" icon hogs the same piece of screen real estate as long as it's an option, and there's still a limit of one Z-move instance per Pokemon (as opposed to the usual one per team).
Mechanics clarifications:
- The mega stone is the Z-crystal, in that you actually need to have it. If Ditto transforms into something that's mega evolved, it will not be able to use any Z-moves (unless it packed the right Z-crystal or Mega Stone from the get go, and in that case why even bother using Ditto?)
- If you have, say, Mega Latias that used Reflect Type to change its type, the engine still remembers that Latiasite is "supposed" to be associated with Dragon/Psychic, and will not let you Z-ify moves of any other types.
- Other than these mega/Z-move mechanics, regular OU rules apply. There could be a case for removing the evasion clause, since Z-moves everywhere will just laugh at it, but really no reason to.
Wallbreakers galore, pretty much. Charizard-Mega-Y Z-Fire Blast? More like, Charizard-Mega-why-not?
- 252 SpA Charizard-Mega-Y Inferno Overdrive (185 BP) vs. 0 HP / 0 SpD Blaziken-Mega in Sun: 317-373 (105.3 - 123.9%) -- guaranteed OHKO (that's an enemy who's not even legal in OU, and that's not even Z-Blast Burn!)
- 252+ Atk Pure Power Medicham-Mega All-Out Pummeling (195 BP) vs. 0 HP / 0 Def Latios-Mega: 291-342 (96.6 - 113.6%) -- 81.3% chance to OHKO (not that you'd ever do this, since you probably have Ice Punch anyway, and Latios is faster and blows Medicham away before it gets the chance)
Setup, especially setup that's off-limits for the first turn, seems like it'd be pretty weak here, but who wouldn't want to see Mega Gyarados use Z-Splash just once in their life? And of course there's also mind games like expecting a frail lead to Protect on the first turn, so you do something that won't be wasted into Protect, only to find that they used the turn to set up after all.
Defensively, the fact that status moves often have a type disconnect with the Pokemon that tend to use them leaves them less well-suited for rules like this. Z-Psych Up, for instance, is a useful effect in copying any boosts they might have and getting a one-time 100% health refill, but since it's a Normal move, no megas can actually make use of that except Audino. Z-Haze also has no STAB megas whatsoever. I guess...at least Sableye gets Z-Spite?
Nothing is requiring you to use nothing but megas, though. There are some options out there like Porygon-Z with Z-Conversion, and that's a role that (especially with the option to audible into Z-Hyper Beam instead) isn't really replicated by any existing mega, so when it's not impinging on its teammates' ability to use Z-moves as well, you might still see some of that. Z-Memento, if you can find a reasonable use case for that, is probably best off being used by a non-mega anyway.
The fact that the "mega evolution" button normally covers up the "Z-move" button could also give rise to something called the Mega Stone Lure: send out a Pokemon that looks like it might mega evolve, but you gave it a Z-crystal instead. Obviously you can't mega evolve with that, and the crystal can only cover one type (though it isn't limited to being a STAB type) instead of potentially two, but that's the only way that you can enable it to use a Z-move right away on turn 1, which they might not be expecting. Certainly it won't hit as hard as it would with its mega stats, but sometimes being able to go off one turn sooner can be enough of a difference maker. Think something like physical Pidgeot with Z-Mirror Move, which gives +2 Attack and Z-ifies the opponent's most recent move, regardless of its type.
Questions:
- Are there any non-mega inhabitants of Ubers that are so notably weakened in a fast-paced format like this, that it makes sense to let them drop?
- Could Baton Pass even be worth legalizing, either in full or in some limiting form?
- Should status Z-moves on megas get a different arrangement that doesn't rely on them matching a type, so that some more walls might be viable?