
Surveil 2, then draw two cards. Notion Rain deals 2 damage to you. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Notion Rain has 2 printings, first in Guilds of Ravnica (2018). EDHREC ranks it #8,911 among Commander cards. It appears most in Mirko, Obsessive Theorist decks (5,720 on EDHREC). 1 public deck on TCG runs it. It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.