Whenever an opponent draws a card, this creature deals 1 damage to that player.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

This creature has first strike during your turn. Whenever an opponent draws a card, this creature deals 1 damage to them.

Body of Knowledge's power and toughness are each equal to the number of cards in your hand. You have no maximum hand size. Whenever this creature is dealt damage, draw that many cards.

Target player draws three cards. Then that player discards two cards unless they discard a land card.

Draw three cards.

Flying Whenever this creature deals combat damage to a player, each player discards their hand, then draws seven cards.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Target player draws X cards. • Target player mills twice X cards.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

At the beginning of each player's end step, that player draws a card. If the player is your opponent and has four or more cards in hand, this enchantment deals 2 damage to that player.

Whenever an opponent casts a spell, that player draws seven cards.

+2: Each player draws a card. −1: Target player draws a card. −10: Target player mills twenty cards.

When this creature enters, target opponent reveals their hand. You may cast an instant or sorcery spell from among those cards without paying its mana cost.

Target player draws cards equal to half the number of cards in their library and loses half their life. Round up each time.

Whenever a player draws a card, that player loses 2 life unless they pay {2}.

Each player discards their hand, then draws seven cards. Miracle {1}{R} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

Target player draws two cards and loses 2 life.

Flying When this creature enters, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

At the beginning of each player's draw step, that player draws an additional card. Whenever a player draws a card, this enchantment deals 1 damage to that player.

You have no maximum hand size. At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game. {3}{U}: Draw a card.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

{T}: Add {C}{C}{C}. {3}, {T}, Sacrifice this artifact: Draw three cards.

Blue spells and red spells you cast cost {1} less to cast. {1}{B}: Regenerate this creature.

{T}: Add {C}{C}.

You have no maximum hand size. {T}: Add {C}.

Each opponent loses X life. You gain life equal to the life lost this way.

Flying When this creature enters, you may return target creature card from your graveyard to your hand.

Changeling (This card is every creature type.) When this creature enters, you may return target creature card from your graveyard to your hand.

Counter target instant spell.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {R}.

{T}: Add one mana of any color in your commander's color identity.

This land enters tapped. {T}: Add {U}, {B}, or {R}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({T}: Add {U}.)

({T}: Add {R}.)

You have no maximum hand size. {T}: Add {C}.

{T}: Add {C}. {T}, Sacrifice this land: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle. Cycling {U}{B}{R} ({U}{B}{R}, Discard this card: Draw a card.)

({T}: Add {B}.)

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {R}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {U} or {B}.

Return all attacking creatures to their owner's hand.

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Return target nonland permanent to its owner's hand.

Return all creatures to their owners' hands.

Destroy target creature.

Whenever an opponent draws a card, Ob Nixilis deals 1 damage to that player. −2: Destroy target creature. Its controller draws two cards.

Counter target spell. Untap up to four lands.

Destroy target artifact.

When this creature enters, target opponent chooses a permanent they control at random and sacrifices it. If a nonland permanent is sacrificed this way, repeat this process.

Whenever an opponent discards a card, this enchantment deals 2 damage to that player.