Nether Void

Whenever a player casts a spell, that player discards a card.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

Whenever a player casts a green or white spell, that player discards a card.

Flying

Whenever a player casts a nonblack spell, that player loses 1 life.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Whenever a player casts a spell, sacrifice a creature.

As this enchantment enters, choose a color.

Whenever a player casts a spell of the chosen color, that player loses 1 life.