War of the Spark

Jace, Wielder of Mysteries | Legendary Planeswalker | Jace | 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. | Anna Steinbauer

Chandra, Fire Artisan | Legendary Planeswalker | Chandra | Whenever one or more loyalty counters are removed from Chandra, Fire Artisan, she deals that much damage to target opponent or planeswalker. +1: Exile the top card of your library. You may play it this turn. −7: Exile the top seven cards of your library. You may play them this turn. | Yongjae Choi

Sorin, Vengeful Bloodlord | Legendary Planeswalker | Sorin | As long as it's your turn, creatures and planeswalkers you control have lifelink. +2: Sorin, Vengeful Bloodlord deals 1 damage to target player or planeswalker. −X: Return target creature card with mana value X from your graveyard to the battlefield. That creature is a Vampire in addition to its other types. | Tommy Arnold

Ajani, the Greathearted | Legendary Planeswalker | Ajani | Creatures you control have vigilance. +1: You gain 3 life. −2: Put a +1/+1 counter on each creature you control and a loyalty counter on each other planeswalker you control. | Victor Adame Minguez

Ral, Storm Conduit | Legendary Planeswalker | Ral | Whenever you cast or copy an instant or sorcery spell, Ral, Storm Conduit deals 1 damage to target opponent or planeswalker. +2: Scry 1. −2: When you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. | Wesley Burt

Tamiyo, Collector of Tales | Legendary Planeswalker | Tamiyo | Spells and abilities your opponents control can't cause you to discard cards or sacrifice permanents. +1: Choose a nonland card name, then reveal the top four cards of your library. Put all cards with the chosen name from among them into your hand and the rest into your graveyard. −3: Return target card from your graveyard to your hand. | Chase Stone

Karn, the Great Creator | Legendary Planeswalker | Karn | Activated abilities of artifacts your opponents control can't be activated. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. −2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand. | Wisnu Tan