New card: Angel's Mercy
Helper function stackTargetlessEffect
Attended Knight
Power/toughness is now a single field
Work on triggered abilities
Object creation is now modeled as a Move event
Emtpy prestack when processing it
Optimizations
Attended Knight token is 1/1
Describe P/T
Created target `clean'
Renamed CLITest -> Main
Created target `compile'
Sorcery speed now checks if stack is empty
Refactored moveObject
Insert objects on top of the stack
Removed unused imports
Added generated files to gitignore
Triggered abilities now respond to compound events
Made mkTriggerObject top-level