Aven Interrupter (POTJ 4p)

Creature — Bird Rogue • Mana cost: {1}{W}{W} • Outlaws of Thunder Junction Promos • Rare

Flash
Flying
When this creature enters, exile target spell. It becomes plotted. (Its owner may cast it as a sorcery on a later turn without paying its mana cost.)
Spells your opponents cast from graveyards or from exile cost {2} more to cast.

Illustrated by Daniel Romanovsky.