Undercity Sewers [Murders at Karlov Manor] Frog and that player can't activate

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

you’ll find a cool tech sticker and promo card featuring one of three Shiny Pokémon

(You may reveal a Lesson card you own from outside the game and put it into your hand

Whenever another permanent enters the battlefield under your control

each player may draw a card

Undercity Sewers [Murders at Karlov Manor] Frog and that player can't activateSet: Murders at Karlov Manor Type: Land Island Swamp Rarity: Rare (T: Add U or B.) Undercity Sewers enters the battlefield tapped. When Undercity Sewers enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)