Sneak Attack [Urza's Saga] Yeti "Cry havoc and let slip

"Cry havoc and let slip the dogs of war

Set: Eldritch Moon Prerelease Promos Type: Legendary Planeswalker — Liliana Rarity: Mythic Cost: {1}{B}{B} +1: Up to one target creature gets -2/-1 until your next turn

Set: Worldwake Prerelease Promos Type: Instant Rarity: Mythic Cost: {X}{R}{R} Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell

If you control three or more artifacts

Sneak Attack [Urza's Saga] Yeti "Cry havoc and let slipSet: Urza's Saga Type: Enchantment Rarity: Rare Cost: {3}{R} {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. "Nothin' beat surprise'cept rock."