Sneak Attack

Enchantment, 3R (4)
{R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.¹
"Nothin' beat surprise-'cept rock."
Illus. Jerry Tiritilli

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: You only sacrifice the creature if you still control it at end of turn. If that creature has left the battlefield and come back, you don’t sacrifice it.
• 5/1/2007: Putting the card onto the battlefield is optional.  When the ability resolves, you can choose not to.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard, MTGO Classic
Printings (1/6)	Urza's Saga (Rare)