Sneak Attack [Urza's Saga] XY147 Set: Sword & Shield: Chilling

Set: Sword & Shield: Chilling Reign Type: Colorless Rarity: Secret Rare Retreat cost: 3

Defending player guesses whether that card's mana value is greater than the number of artifacts you control

It was an ancient defense of the Dwarves that could only be traversed in single file

Set: The List Type: Legendary Enchantment Creature — God Rarity: Mythic Cost: {3}{U}{B} Indestructible

Sneak Attack [Urza's Saga] XY147 Set: Sword & Shield: ChillingSet: 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."