Enchantment, 3R (4) {R}: You may put a creature card from your hand into play. That creature gains haste until end of turn. Sacrifice the creature at end of turn.1 "Nothin' beat surprise-'cept rock."
Illus. Jerry Tiritilli
10/4/2004: You only sacrifice the creature if you still control it at end of turn. If that creature has left play and come back, you don’t sacrifice it.
5/1/2007: Putting the card into play is optional. When the ability resolves, you can choose not to.