Teferi, Time Raveler became one of the most hated cards ever, and was banned for being overpowered and not fun to fight
Each player sacrifices all creatures they control not chosen this way
You can fit as many legends as you want into your deck, and never risk encountering duplicates like in 60-card formats
I am not surprised finding it at the top of our list, as it is the very best that Blue has to offer in terms of game winning threats
They dont go away as steps, phases, and turns end, and effects that add mana of any type cant give you energy counters
This is a great template for the current UB meta decks, being able to play King T'Challa on your opponent's turn if you leave mana untapped and possibly even in response to them casting a spell that allows them to draw a card