1:40 "Wither is stuck in the do- W̵̜͓̞̯̪͍̙̏͊̾͊͂͘͜O̶̡̝̤̳̬̱̜͉̰̙͂̓͑́͒̚O̵̧͖̥̫͔͗͂̓͜Ó̵͕̗̮̩̲͔̒̈́̄̎͑̌̕͝Ȍ̶͎̺̌̋͗́̈O̴̧̱̥͈̗͓̘̩̾̈́͛̿́̾̒Ó̶̡̞̗̦͈͓̹̬̼̘͋̋͆͂̃͌̈́̀͘O̵̡̞͍͍̐̚͝Ò̴̺̇̽̋͐̑͘͘͠Ö̸͈͙̩͎̯́͗̂̋̀̒Ó̴̢͇͈͚̭̻̤͓̻̦̑̃̓̔͑̄͠O̶͙̜̍Ö̵̖̰̱͈̗̟͙͉̼́̇̐͊̌͐́̇͝O̷̬̐̇ͅͅÒ̴͎̠̙̫̞̱̆́ͅO̶̖͔̲͕̱͇͓̠̻̼͋̿͌̅̅ ̷̻̏̾́͂̇͛͗͐̈́̑W̵̖̒́̄O̷̪̻̍̿̀͝O̵̩̓̐͑̃̓Ŏ̴͓̙̟͚̟̦̪̅̍̓̄̀͜͝Ơ̴̛̺̎̋Ǫ̷̢̢̹̻͎̱̥̫̉ͅŎ̴̡͚̪̤Ö̵̞̦͚̱͈̤̟̼́̔͋̄O̸̡͇̫̮͚̺̙͈̐̓̂̽̑̚͘Ǫ̴̣͚̺͖̮͔͙̜͔̊̄́̒̂̃̂Ǫ̸̢̘̩͇͕̯̪̜̓̏͒͛̎͆̚̚͝͠Ó̷̡͍̊̆͂̆͑͘O̵̝̘̫͛̏́̆̔̅͘͘͘͜Õ̴̧̨̭̯̯͍̘̰̞̫Ō̵̦͍̱͍Ò̷̟̈́̀̎̓͠͝ͅǪ̶̻̘̯̇Ờ̸̧̠̥̟͇͇̠̺͍͉̀̉̋ ̸̤̌̔̽̽́͐̐̒͝Ẁ̷̞̦̭̈Ơ̶̘̦̜̘̗̩̺͖͙̂̍͑̀̇̋͌O̸̢͙͖̠̼̳͗̿̉̎͐̀̈́͛̚Ơ̴̰͎͙̤̲͉̟͉̤̣͑͗̈́͋̈́͆͒̒̚Ó̸̱͈̬͎̖̎̈́̎̎Ơ̵̢̭̤̝̮͖͕̼͔͚̈́̇́͂̉̈́̽Ỏ̸̖͈̤̼̼̏͗̏́̂̂͠Ò̸̘̠͓͎̥̎͂̽͒̐̀͗̿̈́O̵̢̜̮͚̹̰̺̬̙͈͐̾̕O̵̪̗̙̤͙͑͒̎Ö̷̩͈̞̤̻͍̬̥̊͐͐̂̂͋̆̈̀O̸͍̪̩̬̰̗̎͊̓̆͌͝Ǫ̸͔̘̞̤̤̟̘̘̏͐͘O̶̯̳̒͗͗́̈́Ö̸͇̫̤̜̪͚̗̞̈́̈́̾͒̈́́͘͝Ó̵̢̤̉̓̋͗͌̅́̿͝O̴̺̤̟̹̒͌O̴̳̞͂͑͋̓̽̈́̚͝O̴̬̰̫̣̹͇̍̊Ö̴̼̫̀̾̆̋̎͆̃͛͝O̶̳̮̠̖͂́̃̒́̄͂͛͘͠Ö̴̢̻̠̙͔̱̥̪̞̜́͠"
Tags are really cool, they add a lot to the way commands work! Good luck with the map ::) (With the timer I’d recommend having a chain of command blocks with one repeater set to 4 and one set to 1 then put two do that between the command blocks, which will give you one second delay. Then each command block can display a title to the player counting down, by doing a number and erasing the last number, then you can remove the effects at the end of the circuit.)