Throne of Eldraine brought with it a bunch of interesting support cards for the mill archetype, which, when combined with some holdovers from last Standard like Drowned Secrets, give us the critical mass of mill cards necessary to make a (possibly?) competitive deck
If you somehow cast one of these cards while you aren't the planar controller (that is, while it's not your turn), and planeswalk gets more votes, it's the planar controller who planeswalks, not you
When you proliferate a saga, the next chapter triggers as soon as you place the counter
It has really run the gamut of formats
(Activate this ability only if this creature attacked this turn and only once each turn.) A boast ability can be activated at any point after the creature with that ability has been declared as an attacker
These cards feature bombastic, high-contrast artwork of your favorite characters set across the backdrop of a city skyline