Caleb Widogast, Transmuter

Widogast’s Web of Fire — Whenever you cast or copy an instant or sorcery spell, Caleb Widogast, Transmuter deals 1 damage to each creature you don’t control.

Master Transmuter — {2}{u}: Until end of turn, target creature becomes either a 4/4 Giant Eagle with flying or a 1/1 Turtle with defender and loses all other creature types and abilities. Activate only once each turn.