Braids, Arisen Nightmare (Showcase Textured) [Dominaria United] Revised Edition and that player can't activate

and that player can't activate abilities that aren't mana abilities

Tezzeret Type: Legendary Planeswalker — Elspeth Rarity: Mythic Cost: {2}{W}{W} +1: Create a 1/1 white Soldier creature token

Set: Hidden Legends Type: Metal Psychic Rarity: Holo Rare Retreat cost: 2 [1PM] Squared Attack (30x)

Set: EX: Holon Phantoms Type: Fighting Rarity: Uncommon Retreat cost: Colorless

leader of the Order of the White Shield

Braids, Arisen Nightmare (Showcase Textured) [Dominaria United] Revised Edition and that player can't activateSet: Dominaria United 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.