The Jolly Balloon Man (Duskmourn: House of Horror)

Legendary Creature Ñ Human Clown - Haste
{1}, {T}: Create a token that's a copy of another target creature you control, except it's a 1/1 red Balloon creature in addition to its other colors and types and it has flying and haste. Sacrifice it at the beginning of the next end step. Activate only as a sorcery.