You cannot Special Summon monsters from the Extra Deck while a "Hippo Token" is in a Monster Zone
This you need to have the right sort of deck as well
You can have as many Pokemon cards, Trainer cards, and Energy cards as you want in your 60-card deck, but you need to take your main strategy into account
[41] When Yugi left the weakened "Red-Eyes Black Dragon" in Attack Mode, Marik attempted to end the Duel by having Jonouchi attack it with "Panther Warrior"
7 Centiskorch A Big Attacker For A One Point Pokemon Centiskorch may seem like a very expensive Pokemon to invest four Energy into, but in a way, it is actually better than the standard Charizard you can find in Pokemon TCG Pocket
Theres also a lot of people now thinking, Christmas is soon and I need some money because Ive not made what I was hoping for [from reselling cards]