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'(Gain the next level as a sorcery to add its ability.) When this Class enters, search your library for an Equipment card, reveal it, put it into your hand, then...
'When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your...
'{U}, Discard an artifact card: Search your library for an artifact card with mana value 1 or less, reveal it, put it into your hand, then shuffle.
'{X}, {T}: The next time you would draw a card this turn, instead look at the top X cards of your library, put all but one of them on the...
'Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Indestructible (Damage and effects that say "destroy" don't destroy this creature.) If Darksteel Colossus would...
'Search your library for a Mercenary card, reveal that card, put it into your hand, then shuffle.
'{1}{W}: Search your library for an enchantment card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle. {1}{U}: Search your library for...
'Put two target lands on top of their owners' libraries.
'{T}, Pay 1 life, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield, then shuffle.
'Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.
'Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the...
'Search your library for an artifact card, reveal it, put it into your hand, then shuffle.