Can I break concentration with Haste, before it ends, by casting another concentration spell?
133339
If you start casting a new concentration spell while concentrating on Haste, does the wave of lethargy interrupt the casting of the new spell?
27635
Can I cast a spell while another spell or ability is resolving?
39198
Can concentration spells be "adjusted" while silenced?
119099
MTG - Priority and timing between activated abilities and instants
138393
Can a readied action or an attack of opportunity interrupt and thus cancel another action?
117903
Is it possible to interrupt spellcasting?
48259
Does order matter when casting a cantrip with a casting time of a bonus action and another spell?
58732
Can you concentrate on a special ability while also concentrating on a spell?
104692
Does a Readied spell immediately use a spell slot?
66874
Can I cast two swift spells in a round, or otherwise trade a move action for a swift?
156015
Can a Cleric leave spell slots open to prepare later?
33131
Can you use twinned spell on the same target?
108324
Do magic item spells require concentration?
132201
Can you cast Mirror Image twice on successive turns and have 6 duplicates of yourself instead of 3?
151282
Can a sorcerer make independent spell-effect choices for a Twinned spell?
130870
Can you cast bonus action and reaction spells while already casting a spell with a casting time longer than a turn?
108333
Are there ways to concentrate on more than one spell at a time?