When does the draw effect from a field trigger when casting a spell - on cast or on resolution? If the spell gets countered, do you still draw?

Ruling: You draw when you select targets for the spell (on cast), not when the spell resolves. If your spell gets countered, you still draw the card because the targeting already happened.

Sequence:

• Cast the spell and select targets
• Draw the card (this goes on the chain right after the spell cast)
• The spell can be countered, but the draw cannot be countered