Super Event Card Examples
Air bans Skeleton and Flooding for all opponents in round 1: LEGAL
Air bans Skeleton and Vulture for all opponents in round 1: ILLEGAL (You may not ban two cards from the same element in any round)
Air bans Skeleton and Flooding in round 1, Vulture and Mind Flayer in round 2, Soul Catcher and Steam Machine in round 3: LEGAL (You may ban cards from an element even if you banned a card from it before)
Air bans Skeleton and Flooding in round 1, Vulture and Mind Flayer in round 2, Soul Catcher and Flooding in round 3: ILLEGAL (You may ban a specific card only once over the course of three rounds)
Air bans Shard of Wisdom for Aether, Shard of Void for Darkness: ILLEGAL (You ban two cards in a round which applies to all opponents in their matches against you.)
Air bans Shard of Freedon and Nova in round 1: LEGAL (You can ban cards from your own element. You can still use these cards in your own decks, but your opponents cannot vs you.)
Air bans Aether Pillar/Mark of Darkness/Holy Cow: ILLEGAL (Only cards available in vault/market may be banned)