Braids, Arisen Nightmare (84s) Foil - Dominaria United Promos Artist_Karl Kopinski Whenever an opponent attacks another

Whenever an opponent attacks another one of your opponents

The first time an attack action card you control deals damage to an opposing hero each turn

Underground River deals 1 damage to you

Each player searches their library for up to X basic land cards

Xenagos isn't a creature

Braids, Arisen Nightmare (84s) Foil - Dominaria United Promos Artist_Karl Kopinski Whenever an opponent attacks anotherSet: Dominaria United Prerelease Promos Type: Legendary Creature Nightmare Rarity: Rare Cost: {1}{B}{B} At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.