Until end of turn effects and Doubling Season
34144
Are +1/+1 counters different from +1/+1 effects?
69919
When can you switch the order of limits?
149283
What overpowered combinations would be available if I allow a bonus action to be used in place of a standard action?
10512
Can I use a spell with a casting time of "Bonus Action" as my action?
72439
Can spells with cumulative or instantaneous ongoing effects affect a creature multiple times?
38338
When exactly does combat start and surprise take effect?
96320
When does an "on their next turn" spell cast as a reaction take effect?
132258
What happens if you use a Clone Effect on a Double Faced Card that's Transformed?
97044
What is the name of this effect, and what is a good way to replicate it?
109823
How many cantrips can I cast continuously out of combat?
147991
Can I get an enters-the-battlefield effect out of a second legendary before I must sacrifice it?
23950
"Focussed" or "focused"? Rules for doubling the last consonant when adding -ed
80398
Can you wait to add optional damage dice that apply on a hit (such as Divine Smite) until after seeing if the roll is a critical?
136578
How to make something rotate a certain amount over an exact amount of time
104129
Can I break this limit into individual terms?
51753
Priority and timing between enchantments and instants
76136
What happens if you start your turn in an occupied location?