Twilight Prophet

19/01/18

If the mana cost of the revealed card includes , X is considered to be 0.

19/01/18

If you cast a spell with ascend, you don’t get the city’s blessing until it resolves. Players may respond to that spell by trying to change whether you get the city’s blessing.

19/01/18

If your tenth permanent enters the battlefield and then a permanent leaves the battlefield immediately afterwards (most likely due to the “Legend Rule” or due to being a creature with 0 toughness), you get the city’s blessing before it leaves the battlefield.

19/01/18

Once you have the city’s blessing, you have it for the rest of the game, even if you lose control of some or all of your permanents. The city’s blessing isn’t a permanent itself and can’t be removed by any effect.

19/01/18

Some cards have triggered abilities with an intervening “if” clause that checks whether you have the city’s blessing. These are worded “[Trigger condition], if you have the city’s blessing, [effect].” You must already have the city’s blessing in order for these abilities to trigger; otherwise they do nothing. In other words, there’s no way to have the ability trigger if you don’t have the city’s blessing, even if you intend to get it in response to the triggered ability.

19/01/18

The converted mana cost of a split card, such as cards with aftermath from the Amonkhet block, is based on the combined mana cost of its two halves.