When a spell targets a unit at a battlefield with 'deal 4 damage to a unit at a battlefield, draw a card' and the opponent uses Flash to recall the unit before the spell resolves, what happens to the spell?

Ruling: The spell can no longer deal damage to the unit because it is no longer at the battlefield, but the spell still resolves as much as possible, so you still draw a card.

Sequence:

• Spell is cast targeting a unit at a battlefield
• Opponent responds with Flash, recalling the unit to their base
• Spell resolves but cannot deal damage (unit is no longer at a battlefield)
• The draw card effect still resolves

Nuances:

• The spell is not countered entirely; it resolves as much as it can
• The damage portion fails because the location requirement is no longer met
• Other effects on the spell (like drawing a card) still happen