Xanathar, Guild Kingpin [Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos] MON155 and 2 reference cards

and 2 reference cards

if all of your characters are "World of Avatar"

Set: EX: Legend Maker Type: Metal Rarity: Ultra Rare Retreat cost: Colorless

that source's controller sacrifices that many permanents

and your opponent cannot call sentinels to (GC) from hand

Xanathar, Guild Kingpin [Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos] MON155 and 2 reference cardsSet: Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos Type: Legendary Creature Beholder Rarity: Mythic Cost: {4}{U}{B} 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.