It doesn't matter whether or not the creature or creatures are still on the battlefield or whether the players or permanents they attacked are still in the game or on the battlefield
Company: Pokemon USA Brand: Pokemon Series: Sun & Moon Unified Minds Item Type: Single Card Release Date: August 2, 2019 UPC: 0609411391235 Stock #: 303221 Our Guarantees to You, Our Valued Customer
order: 1 piece Delivery by Nov 05 Wuxi Dizo Ultrasonic Technology Co., Ltd
If I choose to exert my creature, this means that I dont untap it during my next untap step and gain the benefit on the card
However, understanding the requirements for these hidden Mega Shine themed collections can make life a lot easier, particularly for those hoping to get their hands on the set's secret Shiny Mew emblem
This is because the way booster packs are constructed, it just usually isnt a good idea to stick to one color