Toffy

Morph 4{u} (You may cast this face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
{1}: Change Toffy's Subtype to a Subtype of your choice until end of turn.
{x}{t}: Toffy deals X Damage to target flying creature.
{r}{r}{t}: Put a +4/+4 Shapechanger Token on Toffy. You can only use this ability if there is no Shapechanger Token on Toffy.
{w}: Toffy gains flying until end of turn.