P+ - Mewtwo - Common Subroutine 0x21820

1. CreateInterrupt { interrupt_id: Some(10030), action: CliffCatchStart, requirement: (HasntTethered3Times) }
2. PreviousInterruptAddRequirement(InAir)
3. PreviousInterruptAddRequirement((LongtermAccessInt (0x2) Equal scalar(0)))
4. PreviousInterruptAddRequirement((InternalConstantInt(ControlStickYAxis) GreaterThan InternalConstantInt (0xc78)))