Jeffrey Hawk, The Clown

Coulrophobia — Creatures your opponents
control get a -1/-1 counter.
Afterpiece Tonic — {1}{b}, {t}: Target creature gets
a nausea counter. Whenever a creature with a
nausea creature attacks or blocks, flip a coin. If
you win the flip, remove that creature from
combat and remove the nausea counter.
Afterpiece Antidote — {1}{u}, {t}: Target creature
you control gets a +1/+1 counter and gains Haste until end of turn