Normally, my 5/5 deals 5 damage to your 3/3
One of the big events is that Teferi is finally able to free the plane of Zhalfir, his homeworld that he phased out during Time Spiral block to protect it
Id recommend leaving the Monoliths behind and instead run a lot of cards that nobody plays because the activation cost is too expensive
Thankfully, you are not required to read every single edition if you want to keep up with things, since they also have searchable rules databases, so you can just input the card you have a question about and expect the computer to do all the hard work of searching for and spitting out the answers
In this case thats dropping what is often an otherwise useless 4-drop in order to make your other cards better
He synergizes well with the song card All Is Found , as you can choose two of your cards to, well, discard