Target player sacrifices a creature. You gain life equal to that creature's toughness.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Whenever a creature enters the battlefield, destroy it.

: Destroy Lethal Vapors. You skip your next turn. Any player may activate this ability.

Target player discards a card.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Each player reveals their hand, chooses one card of each color from it, then discards all other nonland cards.

If a red spell would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.

Enchant creature

You control enchanted creature.

At the beginning of your upkeep, sacrifice Vapor Snare unless you return a land you control to its owner's hand.

Flying

At the beginning of your upkeep, Vaporous Djinn phases out unless you pay . (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)