Xanathar, Guild Kingpin [Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos] 189 but not used to pay

but not used to pay for this attack's Energy cost

If an ability of a Shaman or another Wizard you control triggers

−8: You get an emblem with "Whenever a creature enters the battlefield under your control

defender of its creatures

Xanathar, Guild Kingpin [Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos] 189 but not used to paySet: 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.