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.

Seek two cards. You may shuffle them into your library. If you do, seek two cards.

You have no maximum hand size for the rest of the game.

You have no maximum hand size.

: Add one mana of any color.

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.

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.

When Marina Vendrell's Grimoire enters, if you cast it, draw five cards.

You have no maximum hand size and don't lose the game for having 0 or less life.

Whenever you gain life, draw that many cards.

Whenever you lose life, discard that many cards. Then if you have no cards in hand, you lose the game.

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 any number of artifacts. When you sacrifice one or more artifacts this way, tap up to that many target creatures and draw that many cards.

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

When Proft's Eidetic Memory enters, 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.

When you unlock this door, this Room deals damage equal to the number of cards in your hand to target creature an opponent controls.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

You have no maximum hand size.

+2: Until your next turn, whenever a creature attacks you or a planeswalker you control, it gets -1/-0 until end of turn.

−3: Return target instant or sorcery card from your graveyard to your hand. If it's a green card, add one mana of any color.

−7: Draw cards equal to half the number of cards in your library, rounded up. You get an emblem with "You have no maximum hand size."

(As this Saga enters and after your draw step, add a lore counter.)

I — Draw cards equal to the number of cards in your hand. You have no maximum hand size for as long as you control The Great Synthesis.

II — Return all non-Phyrexian creatures to their owners' hands.

III — You may cast any number of spells from your hand without paying their mana costs. Exile The Great Synthesis, then return it to the battlefield (front face up).

Players have no maximum hand size.

How Civil of You — At the beginning of your end step, each player may draw a card. Each opponent who does can't attack you or permanents you control during their next turn.

Tishana, Voice of Thunder's power and toughness are each equal to the number of cards in your hand.

You have no maximum hand size.

When Tishana enters, draw a card for each creature you control.

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."