Harsh Justice [Portal] WTR005-C Set: Portal Three Kingdoms Type:

Set: Portal Three Kingdoms Type: Sorcery Rarity: Common Cost: {1}{G} Search your library for a Forest card

Negate the activation of a Trap Card or Effect Monster's effect and destroy that card

{1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn

Mishra also mastered the intricacies of artifice

Harsh Justice [Portal] WTR005-C Set: Portal Three Kingdoms Type:Set: Portal Type: Instant Rarity: Rare Cost: {2}{W} Cast this spell only during the declare attackers step and only if you've been attacked this step. This turn, whenever an attacking creature deals combat damage to you, it deals that much damage to its controller.