Simpilfex

All other creatures lose all abilities. Each
noncreature nonland permanent loses all abilities,
is a creature in addition to its other types with
power and toughness equal to its converted mana
cost. When a player casts a nonpermanent spell,
counter that spell and that player creates a
Generic creature token in the colors of the
countered spell with power and toughness equal
to the converted mana cost of that spell under
their control.