Jace, Wielder of Mysteries [War of the Spark Prerelease Promos] Onslaught Whenever you cast an instant

Whenever you cast an instant or sorcery spell or activate an ability

Jolrael's choice of homes was far better than her choice of allies

among any of the creatures it's being blocked by or is blocking

Exile the top six cards of your library

Jace, Wielder of Mysteries [War of the Spark Prerelease Promos] Onslaught Whenever you cast an instantSet: War of the Spark Prerelease Promos Type: Legendary Planeswalker Jace Rarity: Rare Cost: {1}{U}{U}{U} If you would draw a card while your library has no cards in it, you win the game instead. +1: Target player mills two cards. Draw a card. 8: Draw seven cards. Then if your library has no cards in it, you win the game.