Dungeons & Dragons: Adventures in the Forgotten Realms

White Dragon | Creature | Dragon | Flying Cold Breath — When White Dragon enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. | Billy Christian

Air-Cult Elemental | Creature | Elemental | Flying Whirlwind — When Air-Cult Elemental enters the battlefield, return up to one other target creature to its owner's hand. | Kari Christensen

Asmodeus the Archfiend | Legendary Creature | Devil God | Binding Contract — If you would draw a card, exile the top card of your library face down instead. {B}{B}{B}: Draw seven cards. {B}: Return all cards exiled with Asmodeus the Archfiend to their owner's hand and you lose that much life. | Aleksi Briclot

Baleful Beholder | Creature | Beholder | When Baleful Beholder enters the battlefield, choose one — • Antimagic Cone — Each opponent sacrifices an enchantment. • Fear Ray — Creatures you control gain menace until end of turn. (A creature with menace can't be blocked except by two or more creatures.) | Lars Grant-West

Earth-Cult Elemental | Creature | Elemental | Siege Monster — When Earth-Cult Elemental enters the battlefield, roll a d20. 1—9 | Each player sacrifices a permanent. 10—19 | Each opponent sacrifices a permanent. 20 | Each opponent sacrifices two permanents. | Aaron Miller

Inferno of the Star Mounts | Legendary Creature | Dragon | This spell can't be countered. Flying, haste {R}: Inferno of the Star Mounts gets +1/+0 until end of turn. When its power becomes 20 this way, it deals 20 damage to any target. | Jesper Ejsing

Red Dragon | Creature | Dragon | Flying Fire Breath — When Red Dragon enters the battlefield, it deals 4 damage to each opponent. | Andrey Kuzinskiy

Hill Giant Herdgorger | Creature | Giant | When Hill Giant Herdgorger enters the battlefield, you gain 3 life. | Chris Rahn

Green Dragon | Creature | Dragon | Flying Poison Breath — When Green Dragon enters the battlefield, until end of turn, whenever a creature an opponent controls is dealt damage, destroy it. | Ilse Gort

Xanathar, Guild Kingpin | Legendary Creature | Beholder | At the beginning of your upkeep, choose target opponent. Until end of turn, that player can't cast spells, you may look at the top card of their library any time, you may play the top card of their library, and you may spend mana as though it were mana of any color to cast spells this way. | Kieran Yanner