How Does Teferi Time Raveler Work?
2019-05-03: If an Effect Allows Opponents to Cast Spells Any Time They Could Cast an Instant (For Example, If Your Opponent Also Controls a Teferi, Time...
2019-05-03: If an effect allows opponents to cast spells any time they could cast an instant (for example, if your opponent also controls a Teferi, Time Raveler and activates his +1 loyalty ability), the restriction of Teferi's first ability takes precedence over that permission. ...
How does Teferi time Raveler work with Cascade?
Teferi has a static ability which states that each opponent can cast spells only any time they can cast a sorcery. Players may only cast sorceries when they have priority, it is during the main phase of their turn, and when the stack is empty.
How often can you use Teferi master of time?
A player can essentially activate Teferi, Master of Time twice (once on each player's turn) per round in Standard. But in Commander, with five players at a table, Teferi can be activated up to five times if he remains on the battlefield.