Whispers of Emrakul

Target player sacrifices a creature or planeswalker of their choice.

Delirium — If there are four or more card types among cards in your graveyard, instead that player sacrifices a creature and a planeswalker of their choice.

Search your library for a Demon card, reveal it, put it into your hand, then shuffle.

Delirium — If there are four or more card types among cards in your graveyard, instead search your library for any card, put it into your hand, then shuffle.

Target opponent reveals their hand. You choose a nonland card from it and exile that card.

Delirium — If there are four or more card types among cards in your graveyard, search that player's graveyard, hand, and library for any number of cards with the same name as the exiled card, exile those cards, then that player shuffles.

Clash with an opponent. If you win, target player discards two cards. Otherwise, that player discards a card. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)

Return target creature card from your graveyard to your hand.

Threshold — Return that card from your graveyard to the battlefield instead if there are seven or more cards in your graveyard.

Destroy target land.

Threshold — If there are seven or more cards in your graveyard, instead destroy that land and Rancid Earth deals 1 damage to each creature and each player.