Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Flametongue Kavu

When Flametongue Kavu enters, it deals 4 damage to target creature.

Flying, protection from white
When Crypt Angel enters, return target blue or red creature card from your graveyard to your hand.

{T}: Add {C}.
{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

Pyroclasm deals 2 damage to each creature.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Flying, haste
Whenever Blazing Specter deals combat damage to a player, that player discards a card.

Destroy target creature. It can't be regenerated.

Flying
Whenever Hypnotic Specter deals damage to an opponent, that player discards a card at random.