San Diego Comic-Con 2016

Gideon, Ally of Zendikar

[+1]: Until end of turn, Gideon becomes a 5/5 Human Soldier Ally creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn.
[0]: Create a 2/2 white Knight Ally creature token.
[−4]: You get an emblem with "Creatures you control get +1/+1."

Jace, Unraveler of Secrets

[+1]: Scry 1, then draw a card.
[−2]: Return target creature to its owner's hand.
[−8]: You get an emblem with "Whenever an opponent casts their first spell each turn, counter that spell."

Liliana, the Last Hope

[+1]: Up to one target creature gets -2/-1 until your next turn.
[−2]: Mill two cards, then you may return a creature card from your graveyard to your hand.
[−7]: You get an emblem with "At the beginning of your end step, create X 2/2 black Zombie creature tokens, where X is two plus the number of Zombies you control."

Chandra, Flamecaller

[+1]: Create two 3/1 red Elemental creature tokens with haste. Exile them at the beginning of the next end step.
[0]: Discard all the cards in your hand, then draw that many cards plus one.
[−X]: Chandra deals X damage to each creature.

Nissa, Voice of Zendikar

[+1]: Create a 0/1 green Plant creature token.
[−2]: Put a +1/+1 counter on each creature you control.
[−7]: You gain X life and draw X cards, where X is the number of lands you control.