Theros Beyond Death

Elspeth Conquers Death | Enchantment | Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Exile target permanent an opponent controls with mana value 3 or greater. II — Noncreature spells your opponents cast cost {2} more to cast until your next turn. III — Return target creature or planeswalker card from your graveyard to the battlefield. Put a +1/+1 counter or a loyalty counter on it. | Ryan Yee

Thryx, the Sudden Storm | Legendary Creature | Elemental Giant | Flash Flying Spells you cast with mana value 5 or greater cost {1} less to cast and can't be countered. | Mathias Kollros

Gravebreaker Lamia | Enchantment Creature | Snake Lamia | Lifelink When Gravebreaker Lamia enters the battlefield, search your library for a card, put it into your graveyard, then shuffle. Spells you cast from your graveyard cost {1} less to cast. | Lius Lasahido

Underworld Sentinel | Creature | Skeleton Soldier | Whenever Underworld Sentinel attacks, exile target creature card from your graveyard. When Underworld Sentinel dies, put all cards exiled with it onto the battlefield. | Vincent Proce

Nessian Boar | Creature | Boar | All creatures able to block Nessian Boar do so. Whenever Nessian Boar becomes blocked by a creature, that creature's controller draws a card. | Zoltan Boros

Ironscale Hydra | Creature | Hydra | If a creature would deal combat damage to Ironscale Hydra, prevent that damage and put a +1/+1 counter on Ironscale Hydra. | Brian Valeza

Allure of the Unknown | Sorcery | | Reveal the top six cards of your library. An opponent exiles a nonland card from among them, then you put the rest into your hand. That opponent may cast the exiled card without paying its mana cost. | Seb McKinnon