The Lost Caverns of Ixalan

The Ancient One | Legendary Creature | Spirit God | Descend 8 — The Ancient One can't attack or block unless there are eight or more permanent cards in your graveyard. {2}{U}{B}: Draw a card, then discard a card. When you discard a card this way, target player mills cards equal to its mana value. | Victor Adame Minguez

Wail of the Forgotten | Sorcery | | Descend 8 — Choose one. If there are eight or more permanent cards in your graveyard as you cast this spell, choose one or more instead. • Return target nonland permanent to its owner's hand. • Target opponent discards a card. • Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard. | Ryan Valle

Captain Storm, Cosmium Raider | Legendary Creature | Human Pirate | Whenever an artifact enters the battlefield under your control, put a +1/+1 counter on target Pirate you control. | Diego Gisbert

Saheeli, the Sun's Brilliance | Legendary Creature | Human Artificer | {U}{R}, {T}: Create a token that's a copy of another target creature or artifact you control, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step. | Cynthia Sheppard

Nicanzil, Current Conductor | Legendary Creature | Merfolk Scout | Whenever a creature you control explores a land card, you may put a land card from your hand onto the battlefield tapped. Whenever a creature you control explores a nonland card, put a +1/+1 counter on Nicanzil, Current Conductor. | Fariba Khamseh