Lee Sin, Blind Monk
Train the cards in Lee Sin, Blind Monk’s deck: names, costs and card effects, until nothing at the table surprises you.
Piltover Archive → open a deck → Export → Export as Text. Other “3 Card Name” lists work too.
Preview appears here.
Extra cards
Cards you want in this Legend’s pool that aren’t in an imported list. They train like any other card but don’t count as a deck.