Was there a card that I missed or that you think should have been on a different spot on my list?
So thats a product feature
In a singleton format you have to run a set of cards that all fulfill the same basic function, so instead of running 4 copies of Harmonize, you might run Harmonize, Greater Good, Beast Whisperer, Return of the Wildspeaker, Garruk, Primal Hunter, Shamanic Revelation, Soul's Majesty and Rishkar's Expertise
Warp World takes the current game state and turns it into an absolute crap shoot as everything is shuffled back into players' libraries and new permanents are returned to the battlefield
Your opponent changes the original Hidden Strings targets so that it will now tap/untap Creature C and Creature D
The Lord of the Rings: Tales of Middle-earth Mechanics The Lord of the Rings: Tales of Middle-earth has several mechanics, including the Ring tempts you, which is a particularly special one