mtg cards like zulaport cutthroat (Card) each opponent loses 1 life and you gain 1 life. Zulaport Cutthroat combo in Magic:

When she deals combat damage to a player, the player who controls her may pay two to return a creature card with three or less power from their graveyard to the battlefield, tapped

Dig and dig until you find and cast Labman, then dig and dig until you run out of cards

(2024-06-07) If a card loses devoid, it will still be colorless

This could be a powerful commander if its ability could be triggered more than once per turn

Bucky Squirrel Squeak Tutor's strategy is focused entirely on stripping away the opponent's options before they even had a chance to play them, forcing competitors to play completely off the top of their decks and make quick decisions

---------- Select a Rowen, Dragon Lance on your field and give it "If this would deal damage, it deals that much plus 1 instead" for the rest of this turn