Ariel Mercer, Sorcery Las

+1: The next instant or sorcery spell you cast this turn with 4 mana or less is copied, You may cast this spell without playings it mana cost
-3: Create a non-legendary token copy of Ariel mercer. All copies of Ariel share a single loyalty pool, If one dies, they all die.
-6: Transform up to 3 creatures into 5/5 green dinosaurs with trample. These creatures are transformed permanently