At the beggining of your upkeep, surveil 1. (Look at the top card of your library. You may put it in your graveyard.)

Whenever a creature you control deals combat damage to a player or planeswalker, you may draw a card. If you do, discard a card.

Delirium—Whenever a card is put in a graveyard from anywhere, each opponent loses 1 life. This ability only triggers as long as there are four or more card types among cards in your graveyard.