Green is great at getting up to big mana, and having an 11-mana Craterhoof Behemoth in the command zone is a huge advantage for any creature deck
Kiki-Jiki, Mirror Breaker [The Infinite Loop Engine] Kiki-Jiki, Mirror Breaker has been enabling absurd board states for years
Centering is one of the factors that a cardholder has no real control over
Teferi, Master of Time has become a sought-after card among control players, and its seen a bit of play in both Standard and Pioneer
When paired with any 1-mana accelerant, say, Llanowar Elves, it becomes a massive threat that must be answered
Probably works best in Group Pain decks like Mogis, God of Slaughter and Rakdos, Lord of Riots, though those decks have access to Black so you already have great card draw