Core Set 2020

Kethis, the Hidden Hand | Legendary Creature | Elf Advisor | Legendary spells you cast cost {1} less to cast. Exile two legendary cards from your graveyard: Until end of turn, each legendary card in your graveyard gains "You may play this card from your graveyard." | Yongjae Choi

Yarok, the Desecrated | Legendary Creature | Elemental Horror | Deathtouch, lifelink If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. | Daarken

Golos, Tireless Pilgrim | Legendary Artifact Creature | Scout | When Golos, Tireless Pilgrim enters the battlefield, you may search your library for a land card, put that card onto the battlefield tapped, then shuffle. {2}{W}{U}{B}{R}{G}: Exile the top three cards of your library. You may play them this turn without paying their mana costs. | Joseph Meehan