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Mind - Unit
Once each turn, when an enemy unit here dies, channel 1 rune exhausted.
'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 this creature is dealt damage, draw...
'Draw three cards. Then discard two cards unless you discard an artifact card.
'{2}, {T}: Exile the top card of your library face down. {0}: Sacrifice this artifact. If you do, discard your hand, then put all cards exiled with this artifact into...
'Draw three cards. Then discard two cards unless you discard an artifact card.
'Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Search target opponent's library for an instant...
'Draw three cards. Then discard two cards unless you discard an artifact card.
'If a permanent entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
'If you would draw a card, you may put a study counter on this enchantment instead.
Remove three study counters from this enchantment, Sacrifice this enchantment: Draw seven cards.
'If you would draw a card, you may put a study counter on this enchantment instead.
Remove three study counters from this enchantment, Sacrifice this enchantment: Draw seven cards.
'Draw a card, then draw cards equal to the number of cards named Accumulated Knowledge in all graveyards.
Draw three cards. Then discard two cards unless you discard an artifact card.