Prism, Advent of Thrones (DTD002) [Dusk till Dawn]

Whenever a card with Herald in its name is put into Prism's soul during an action phase, you may search your deck for a figment, put it into the arena, then shuffle.<br><strong>Once per Turn Instant</strong> — [2 Resource], banish a card from Prism's soul: <strong>Awaken</strong> target figment you control. (Flip it.)