Flying

Whenever Ancient Silver Dragon deals combat damage to a player, roll a d20. Draw cards equal to the result. You have no maximum hand size for the rest of the game.

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.

Flying

You have no maximum hand size.

Whenever a creature token you control deals combat damage to a player, draw a card.

Each player shuffles their hand and graveyard into their library, then draws seven cards. If it's your turn, end the turn. (Exile all spells and abilities from the stack, including this card. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

As long as it's your turn, this spell costs less to cast.

End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Draw X cards. If X is 10 or more, instead shuffle your graveyard into your library, draw X cards, untap up to five lands, and you have no maximum hand size for the rest of the game.

Exile Finale of Revelation.

End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

At the beginning of your next end step, you lose the game.

You have no maximum hand size.

Cleave (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)

Draw three cards. Your maximum hand size is reduced by three for the rest of the game.

Indestructible

As long as your devotion to green and blue is less than seven, Kruphix isn't a creature.

You have no maximum hand size.

If you would lose unspent mana, that mana becomes colorless instead.

You have no maximum hand size.

If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

Midnight Oil enters the battlefield with seven hour counters on it.

At the beginning of your draw step, draw an additional card and remove two hour counters from Midnight Oil.

Your maximum hand size is equal to the number of hour counters on Midnight Oil.

Whenever you discard a card, you lose 1 life.

When Mine, Mine, Mine enters the battlefield, each player puts their library into their hand.

Players have no maximum hand size and don't lose the game for drawing from an empty library.

Each player can't cast more than one spell each turn.

When Mine, Mine, Mine leaves the battlefield, each player shuffles their hand and graveyard into their library.

You have no maximum hand size.

At the beginning of your upkeep, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Whenever you draw your second card each turn, put two +1/+1 counters on Morska, Undersea Sleuth.

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.

You have no maximum hand size.

Sonic Booster — Whenever Nyssa of Traken attacks, sacrifice X artifacts. When you sacrifice one or more artifacts this way, tap up to X target creatures and you draw X cards.

Doctor's companion (You can have two commanders if the other is the Doctor.)

Return all cards from your graveyard to your hand. Exile Praetor's Counsel. You have no maximum hand size for the rest of the game.

When Proft's Eidetic Memory enters the battlefield, draw a card.

You have no maximum hand size.

At the beginning of combat on your turn, if you've drawn more than one card this turn, put X +1/+1 counters on target creature you control, where X is the number of cards you've drawn this turn minus one.

You have no maximum hand size.

: Add .

You have no maximum hand size.

+1: Tap target permanent. It doesn't untap during its controller's next untap step.

−2: Draw a card for each tapped creature target player controls.

−8: You get an emblem with "You have no maximum hand size" and "Whenever a card is put into your graveyard from anywhere, you may return it to your hand."

This spell costs 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.

Flying

Your maximum hand size is reduced by four.

Flying

Your maximum hand size is reduced by two.

End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

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.

: Draw a card.

You have no maximum hand size.

At the beginning of your upkeep, you gain 1 life for each card in your hand.

+1: Reveal the top four cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

0: Put any number of land cards from your hand onto the battlefield tapped.

−3: Create a green Treefolk creature token with reach and "This creature's power and toughness are each equal to the number of lands you control."

−8: Return all permanent cards from your graveyard to your hand. You get an emblem with "You have no maximum hand size."