War of the Spark

Challenger Troll | Creature | Troll | Each creature you control with power 4 or greater can't be blocked by more than one creature. | Svetlin Velinov

Storm the Citadel | Sorcery | | Until end of turn, creatures you control get +2/+2 and gain "Whenever this creature deals combat damage to a player or planeswalker, destroy target artifact or enchantment defending player controls." | Grzegorz Rutkowski