The List

Sorcery

Target player draws two cards and loses 2 life.

Painful Lesson

Ixalan

Artifact

This artifact doesn't untap during your untap step.
{4}, {T}: This artifact deals 2 damage to any target.
At the beginning of your upkeep, you may discard a card. If you do, untap this artifact.

Elaborate Firecannon

Hour of Devastation Promos

Legendary Creature — Sphinx

Flying
Sphinx spells you cast cost {2} less to cast.
Whenever Unesh or another Sphinx you control enters, reveal the top four cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Unesh, Criosphinx Sovereign

Archenemy: Nicol Bolas Schemes

Ongoing Scheme

(An ongoing scheme remains face up until it's abandoned.)
Spells you cast cost {1} less to cast.
At the beginning of your opponents' end step, if they cast four or more spells this turn, abandon this scheme.

Because I Have Willed It

Amonkhet

Creature — Insect

When this creature enters, put a -1/-1 counter on target creature you control.
Whenever this creature attacks, remove a -1/-1 counter from target creature you control and put a -1/-1 counter on up to one target creature defending player controls.

Decimator Beetle

Activated abilities of creature cards in your graveyard cost {1} less to activate.
Tap an untapped Zombie you control: Target player mills a card.