Arasta of the Endless Web
From Bloomburrow Commander set
Arasta of the Endless Web
Legendary Enchantment Creature — Spider
3/5
Reach
Whenever an opponent casts an instant or sorcery spell, create a 1/2 green Spider creature token with reach.
Rulings
- 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.