Whenever you cast an instant or sorcery spell, each opponent loses 2 life.

+1: You draw a card and you lose 1 life.

−3: Destroy target creature.

−8: Target opponent gets an emblem with "Whenever a player draws a card, you lose 2 life."

Flying, deathtouch

Whenever an opponent loses life, you gain that much life. (Damage causes loss of life.)

When this creature enters, creatures your opponents control get -2/-2 until end of turn.

Whenever a creature an opponent controls dies, that player loses 2 life.

Station (Tap another creature you control: Put charge counters equal to its power on this Spacecraft. Station only as a sorcery. It's an artifact creature at 8+.)

1+ | Whenever an opponent discards a card, they lose 3 life.

8+ | Flying, deathtouch

Whenever this Spacecraft attacks, each opponent discards a card. Each opponent who can't loses 3 life.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Whenever this creature deals damage to an opponent, that player discards a card.

Whenever a player casts a Kithkin spell, you may have target player lose 1 life.

Whenever a creature you control deals combat damage to a player, that player discards a card.

If a player would draw a card, instead they draw a card and reveal it. If it's a creature card, that player discards it unless they pay 3 life.

When this enchantment enters, you become the monarch.

At the beginning of your upkeep, each opponent loses 3 life unless they discard a card. If you're the monarch, instead each opponent loses 6 life unless they discard two cards.

At the beginning of each opponent's upkeep, that player loses X life, where X is the number of cards in that player's hand minus the number of cards in your hand.

At the beginning of each player's upkeep, that player loses 1 life and discards a card.

Hellbent — Skip your upkeep step if you have no cards in hand.

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 player

Enchanted player can't gain life.

Whenever enchanted player is dealt damage, they lose half their life, rounded up.

Whenever a creature you control enters, target opponent loses life equal to the difference between that creature's power and its toughness.

As an additional cost to cast this spell, you may sacrifice any number of nonland permanents. This spell costs less to cast for each permanent sacrificed this way.

Whenever this creature enters or attacks, put a blight counter on it. Then for each blight counter on it, each opponent loses 4 life unless that player sacrifices a nonland permanent of their choice or discards a card.

Whenever you gain life, each opponent loses 1 life.

Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless that player pays 4 life.

Whenever you copy a spell, up to one target opponent may also copy that spell. They may choose new targets for that copy.

Flying

When this creature enters, if an opponent lost life this turn, each opponent discards a card.