The Librarian (Promo)

When this defends, if you control a Vigor token, gain 1{g}.

Mentor (You may only have Minerva in your deck if your hero is young.) At the start of your turn, if Minerva is face down in your arsenal, you may turn her face up. 1H weapons you control have +1 [Power]. Whenever a weapon you control hits, put a lesson counter on Minerva. Then if there are 3 or more lesson counters on Minerva, banish her, search your deck a specialization card, put it face up into your arsenal, and shuffle your deck.

Rune Gate (If you control Runechants equal to or greater than Vantom Banshee's {r} cost, you may play it from your banished zone without paying its {r} cost.) Blood Debt (While this is in your banished zone, at the beginning of your end phase, lose 1{g}.)

Mentor (You may only have Sutcliffe in your deck if your hero is young.) At the start of your turn, if Sutcliffe is face down in your arsenal, you may turn him face up. Whenever you play a 'non-attack' action card, deal 1 arcane damage to each hero and put a lesson counter on Sutcliffe for each damage dealt this way. Then if there are 3 or more lesson counters on Sutcliffe, banish him, search your deck a specialization card, put it face up into your arsenal, and shuffle your deck.