Jace, Wielder of Mysteries [War of the Spark] Elder Dragon Creatures it was blocking that

Creatures it was blocking that had become blocked by only that creature this combat become unblocked

Set: Limited Edition Alpha Type: Artifact Rare Cost: {3} You may spend white mana as though it were red mana

Set: Unlimited Edition Type: Enchantment Rare Cost: {2}{R} Whenever a player taps a land for mana

If each of those creatures could block all creatures that the other is blocking

Set: Seventh Edition Type: Enchantment Rare Cost: {2}{B}{B} Whenever a creature enters the battlefield

Jace, Wielder of Mysteries [War of the Spark] Elder Dragon Creatures it was blocking thatSet: War of the Spark Type: Legendary Planeswalker Jace 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.