Players have no maximum hand size. At the beginning of each player's draw step, that player draws an additional card, then discards a card.

This spell costs {1} less to cast for each instant and sorcery card in your graveyard. You have no maximum hand size. At the beginning of your upkeep, put a knowledge counter on The Magic Mirror, then draw a card for each knowledge counter on The Magic Mirror.

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

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.

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 Body of Knowledge is dealt damage, draw that many cards.

This spell can't be countered. You have no maximum hand size. Whenever an opponent casts a noncreature spell, draw a card. Discard three cards: Exile Nezahal, Primal Tide. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.

Rielle, the Everwise gets +1/+0 for each instant and sorcery card in your graveyard. Whenever you discard one or more cards for the first time each turn, draw that many cards.

Devoid (This card has no color.) Whenever a land enters the battlefield under an opponent's control, that player exiles the top two cards of their library and you draw two cards.

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.

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

Draw cards equal to the number of cards in your library, then put a card from your hand on top of your library. You have no maximum hand size until your next turn.