We mainly care about the first trigger here, which at minimum lets you rummage away a card and force your opponent to discard a card, but it can do so much more
To play, each player needs their own deck of at least 60 cards , damage counters, and a way to track how much lore they have such as lore-counters found in an Illumineers Trove (more on the Trove below) or a pad of paper
You can ramp, sacrifice to a Goblin Welder or bargain ability, and loads more
So, in French, Avacyn doesnt care if youve committed any sins, but youre screwed if youre a fisherman
Rumors follow them, with the ignorant fretting they might be some new form of Phyrexian and the curious wishing to disassemble them in search of a maker's mark