The first is a triggered ability: "When this permanent enters the battlefield, target player may search their library for a card named [name], reveal it, put it into their hand, then shuffle." Note that the target player searches their library (which may be affected by effects such as that of Stranglehold) and that the card they find is revealed, even though these words aren't included in the ability's reminder text
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Since this card's effects depend on how many cards your opponent has, it will probably be relegated to the sideboard in most decks and brought out with cards with the learn mechanic
This request came from Anthony Stebel, a reader who appears to have made a Twitter account to get a hold of me, and I am sorry for missing your message
Here we will be looking for how to get the best mileage out of one card instead of finding just the best rate per cards drawn
The original deck was very much lacking in evasive effects