Sudden Spoiling [Time Spiral] SM187 Cao Cao was able to

Cao Cao was able to defeat Yuan Shao and his 700

you can look at 1 face-down card that's been Set by your opponent as long as this card remains face-up on the field

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {1} As Black Vise enters the battlefield

If this card is attacked

Sudden Spoiling [Time Spiral] SM187 Cao Cao was able toSet: Time Spiral Type: Instant Rarity: Rare Cost: {1}{B}{B} Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0 2.