Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

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.

Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.

Flying Whenever you cast a spell, put the cards in your hand on the bottom of your library in any order, then draw that many cards.

Flying Whenever an opponent draws a card, you may draw two cards.

Flying You have no maximum hand size. Whenever a creature token you control deals combat damage to a player, draw a card.

Flash Flying Whenever an opponent draws their second card each turn, you draw a card. {3}{U}: Each player draws a card.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Skulk (This creature can't be blocked by creatures with greater power.) At the beginning of your upkeep, you may discard all the cards in your hand. If you do, draw that many cards.

Draw two cards, then discard two cards. Untap up to three lands.

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

{1}{R}, {T}, Sacrifice this creature: Each player discards their hand, then draws seven cards.

This spell can't be countered. Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. Whenever a player casts an instant or sorcery spell, you draw a card.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Whenever this creature or another non-Human creature you control enters, you may draw a card. If you do, discard a card.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

Other blue creatures you control have "Whenever this creature becomes tapped, draw a card, then discard a card." Other artifact creatures you control get +1/+1. {U/P}: Until end of turn, target creature you control becomes a blue artifact in addition to its other colors and types. Activate only as a sorcery. ({U/P} can be paid with either {U} or 2 life.)

When this creature enters, shuffle the cards from your hand into your library, then draw that many cards.

When this creature enters, shuffle the cards from your hand into your library, then draw that many cards. {R}, Sacrifice this creature: Each player shuffles the cards from their hand into their library, then draws that many cards.

({T}: Add {U}.)