In most cases, frame traps are easily identified in Pokkén Tournament DX: whenever you block a move with hefty frame advantage, the entire screen flashes yellow for a brief moment in time. However, there’s one situation where it’s not so obvious that you’ve been frame trapped: immediately after a Phase Shift.
Lucario has a particularly good use for this, off of his Field Phase grab and charged Homing Attack. 21 Hits‘s latest video covers these tools and the powerful mix-ups they create.
Source: 21 Hits