Because sacrificing a creature is an additional cost, when its copied youve already paid the cost of the copy, so you dont need to sacrifice anything else
By pairing it with Zapdos ex, players are creating lean, pure-electric-type decks that focus on a powerful early game that can irreversibly damage the opponent before they have time to set up the combos and evolutions that they need
Its on the pricier side at 4 mana, but the damage redirection is juicy
This change was likely made to account for the new card crafting system the game introduced, which a flood of commons might unbalance
The limitation that Ashnod cant duplicate mana abilities exists solely to prevent her from completely breaking the game with treasure tokens
[3] Example: A Charizard with the set number 5/102 is the 5th card in the set out of a total of 102 cards