Can Green Yasuo be moved from Vilemaw's Lair battleground to base using Yasuo's Unforgiven legend ability or the spell Flash?

Ruling: No, Green Yasuo cannot be moved from Vilemaw's Lair to base using Yasuo's Unforgiven ability or Flash. Vilemaw's Lair prevents all moves to base, not just standard moves.

Sequence:

• The ability attempts to move the unit
• Vilemaw's Lair blocks the move to base
• The unit stays in Vilemaw's Lair
• No "when I move" triggers occur because the move was blocked

Nuances:

• Recall and "return to hand" effects work differently - they can legally move units out of the Lair because recall specifically does not count as a move
• When a move is blocked by Vilemaw's Lair, "when I move" triggers do not activate since the unit did not actually move