Ninja's Blades
Here, the Channeler brings a greater random element to the game with its W20 ability, as one to three cards may be exiled depending on the dice result
However, if you and your opponent agree that the cards are for casual, fun play, then using them is generally acceptable
Some of you know that I have a 6-Drops deck that Im also very happy with, and that one also took a lot of time to get right, so I guess maybe these types of restrictions are my jam
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