Draw a card, then draw cards equal to the number of cards named Accumulated Knowledge in all graveyards.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Ancestral Knowledge enters, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order.

When Ancestral Knowledge leaves the battlefield, shuffle your library.

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.

Investigate, then target creature gets +1/+1 until end of turn for each Clue you control. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Target creature you control explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)

You may play an additional land this turn.

Whenever you scry, you may pay . If you do, Knowledge and Power deals 2 damage to any target.

Creatures you control get +X/+X, where X is the number of cards you've drawn this turn.

, : Exile the top card of your library face down.

: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards exiled with Knowledge Vault into their owner's hand.

When Knowledge Vault leaves the battlefield, put all cards exiled with Knowledge Vault into their owner's graveyard.

At the beginning of your upkeep, if you control permanents with names that include all twenty-six letters of the English alphabet, you win the game.

If you would draw a card, you may put a study counter on Pursuit of Knowledge instead.

Remove three study counters from Pursuit of Knowledge, Sacrifice Pursuit of Knowledge: Draw seven cards.

: Add . Spend this mana only to cast a colorless spell or to activate an ability.

Seek two nonland cards, then put a card from your hand on the bottom of your library.

When Trial of Knowledge enters, draw three cards, then discard a card.

When a Cartouche you control enters, return Trial of Knowledge to its owner's hand.

Copy target activated or triggered ability you control. You may choose new targets for the copy.

: Draw a card. Any player may activate this ability but only during their draw step.