Murmuring Mystic

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

Whenever you cast an instant or sorcery spell, create a 1/1 white Pegasus creature token with flying.

Flying

Whenever you cast an instant or sorcery spell, create a 1/1 white Soldier creature token.

Whenever you cast a noncreature spell, create a 1/1 blue Bird creature token with flying and vigilance.

Whenever you attack with one or more Birds, scry 2.

Flying

Whenever you cast an instant, sorcery, or Wizard spell, you may draw a card. If you do, discard a card.

Whenever a player casts an artifact, instant, or sorcery spell, you create a Mutagen token. (It's an artifact with ", , Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")