Guilds of Ravnica

Aurelia, Exemplar of Justice | Legendary Creature | Angel | Flying Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) At the beginning of combat on your turn, choose up to one target creature you control. Until end of turn, that creature gets +2/+0, gains trample if it's red, and gains vigilance if it's white. | Chris Rahn

Trostani Discordant | Legendary Creature | Dryad | Other creatures you control get +1/+1. When Trostani Discordant enters the battlefield, create two 1/1 white Soldier creature tokens with lifelink. At the beginning of your end step, each player gains control of all creatures they own. | Chase Stone

Lazav, the Multifarious | Legendary Creature | Shapeshifter | When Lazav, the Multifarious enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {X}: Lazav, the Multifarious becomes a copy of target creature card in your graveyard with mana value X, except its name is Lazav, the Multifarious, it's legendary in addition to its other types, and it has this ability. | Yongjae Choi

Underrealm Lich | Creature | Zombie Elf Shaman | If you would draw a card, instead look at the top three cards of your library, then put one into your hand and the rest into your graveyard. Pay 4 life: Underrealm Lich gains indestructible until end of turn. Tap it. | Anna Steinbauer