Keyword: Madness

Violent Eruption deals 4 damage divided as you choose among any number of targets.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Fiery Temper deals 3 damage to any target.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Destroy target enchantment.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Trample
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Psychotic Haze deals 1 damage to each creature and each player.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Enchant creature
Enchanted creature gets +1/+2 and has protection from black.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Counter target spell unless its controller pays for each card in your graveyard.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Draw a card.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)