Remove Hidden Keywords Meta Issue

This is a Meta Issue for all the others refering Hidden Keywords that needs to be refactored, either as ReplacementEffect=CantHappen or as Static Ability that doesn't use Layer

- [x] IgnoreLandwalk #2507
- [x] `CARDNAME can't be regenerated` #3304
- [ ] Block as If Shadow #2550
- [ ] Can't Untap #984 #6011
- [x] `CARDNAME untaps during each other player's untap step.` `CARDNAME untaps during each opponent's untap step.` #9720
- [ ] `CARDNAME's power and toughness are switched` , this probably can be done as flags instead of keyword? should also use Layer? #3555
- [x] `ManaConvert` `May spend mana as though it were mana of any type to cast CARDNAME`, `May spend mana as though it were mana of any color to cast CARDNAME` #3679
- [ ] `All creatures able to block CARDNAME do so.` & `CARDNAME must be blocked if able.`
- [x] `CARDNAME can't be countered.` #2688
- [x] `CARDNAME assigns no combat damage` #5992
- [x] `Colorless Damage Source` #5994
- [x] `Bands with Other` needs to be Keyworded better #5950
- [x] Detain #7209
- [ ] `CARDNAME can't attack or block.`
- [x] `CARDNAME's activated abilities can't be activated.`
- [ ] #6000
- [ ] `During your next untap step, as you untap your permanents, return CARDNAME to its owner's hand.` see _Undiscovered Paradise_
- [x] `Counters remain on CARDNAME as it moves to any zone other than a player's hand or library.` #9709
- [x] `CARDNAME can't have more than seven dream counters on it.` see _Rasputin Dreamweaver_ #7116
- [x] `CARDNAME can block as though it were untapped.` see _Masako the Humorless_ #7151
- [x] `Lethal damage dealt to CARDNAME is determined by its power rather than its toughness.` see _Zilortha, Strength Incarnate_ + `Other players can't gain control of CARDNAME.` see _Guardian Beast_ #11805

See also for Global Rules #2544