Quirion Dryad
Tenth Edition — Rare
Creature — Dryad
Quirion Dryad rulings:
2020-06-23: An ability that triggers when a player casts a spell resolves before the spell that caused it to trigger. It resolves even if that spell is countered.
2020-06-23: If you cast a spell that's more than one color, Quirion Dryad's ability triggers just once.