Then, when they enter the battlefield, either each other Creature gets -X/-X until the end of turn, and you lose X life, or you can return up to X Creature cards with a mana value of X or less from your graveyard to the battlefield, and then give them haste until the end of turn
The need to crack the Clue token after its been created also makes Bygone Bishop somewhat expensive
Also, for an additional cost of one of each mana type, you may untap all attacking creatures, giving them trample, lifelink, and haste until the end of the turn, and trigger another combat phase
Two single-player decks are available for the Disney Lorcana TCG set Whispers in the Well
However, going back to the main point, not all the decks could be a hit , but Witherbloom was arguably the closest to a dud when it comes to Strixhaven Commander decks
The copy is created on the stack, so it's not "activated." Creating the copy won't cause abilities that trigger when a player activates an ability to trigger