Once it becomes Day or Night in a game, it will be one condition or the other until this game ends, it can't go back to being neither condition
In this way, Skill Drain counters many of the game's most dominant archetypes, which heavily rely on intricate combo chains and monster effects to overwhelm opponents
With multiple potential effects to choose from, with enough black mana Doomsday Confluence can build up your board, destroy your opponents board presence, and send their hands right to the grave, effectively locking them out of the game in one fell swoop
Needless to say, this effect also targets enchantments, lands, and artifacts
Tawnos, Urza's Apprentice
Board wipes allow you to remove every problem in front of you with just one card, and if youre trying to avoid using Creatures yourself, then theyre absolutely invaluable