* add initial ability
* remove skip list
* update harmonize ability
* add reminder text
* remove skip list
* add harmonize test
* update tests
* create base class for flashback-like abilities
* Abstract AdventureCard to SingleFaceSplitCard
* Fix AdventureCardSpellImpl
* Finish converting adventure card and adventure spell
* Update Brightcap Badger
change finalize call to adventure card
* Update Darksteel Monolith
being cast from hand condition referencing AdventureCardSpell
* Update Tlincalli Hunter
exiled creature condition referencing AdventureCardSpell
* Update Twice Upon a Time
finalizeAdventure called from Adventure card
* Finish abstracting Adventure
missed some more references to adventure cards
* Implement Omen cards
* Implement Dirgur Island Dragon
* Missed some adventureSpellName references
* OmenCardSpell had wrong comma symbol
* Add tests for Omen Cards
* Rename two part card components
change from SingleFaceSplitCard to CardWithSpellOption
* Update comments and variable name
* Remove all combat ordering code
* Use MultiAmount division for damage
* Remove damage selection division skipping in tests
* Fix Banding, Multi-block, add tests
* Fix test
* Fix random iteration order, fix new tests
* Add more info to choose dialog, make MultiAmountType class instead of enum
* Don't prompt for trample damage assignment if none possible
* Mark "Assign default damage" on tests, minor other test improvements
* add new common framework for at step triggered abilities
* move postcombat main and second main triggers to it
* update draw step triggers
* refactor BeginningOfCombatTriggeredAbility
* refactor BeginningOfFirstMainTriggeredAbility
* move Pronoun to constants package
* cleanup some cards to use simpler constructors
* package reorganization
- added more options for priority control (play single priority, play multiple priorities until stack resolved);
- added more options for step control (play single step, play multiple steps);
- improved compatibility with AI and real time commands (now check commands can be called inside AI controlled steps);
- added tests for assign non-blocked damage;
Mystery Booster rework:
* added images download support from scryfall (closes#11806);
* added virtual sets support (remix);
* fixed Commander set name (closes#12110);
