Temporal Aperture [Urza's Saga] Ugin's Fate This effect doesn't remove Black

This effect doesn't remove Black Ward

quoting Confucius

Each Special Edition Includes:

Set: Weatherlight Type: Instant Rare Cost: {B}{B} Target opponent sacrifices a creature for each creature put into your graveyard from the battlefield this turn

To become king of the Goblins

Temporal Aperture [Urza's Saga] Ugin's Fate This effect doesn't remove BlackSet: Urza's Saga Type: Artifact Rare Cost: {2} {5}, {T}: Shuffle your library, then reveal the top card. Until end of turn, for as long as that card remains on top of your library, play with the top card of your library revealed and you may play that card without paying its mana cost. (If it has X in its mana cost, X is 0.)