If the card has any mandatory additional costs, you must pay those.
All of these things contribute to the decks relatively high land count at 24, but that combination of mana sinks and a high land count is something I love in an aggressive strategy, because it means Ill rarely miss land drops early but also wont run out of gas in the late-game
Pokemon also bring back reverse holo in Japanese cards which will feature in all Common and Uncommon cards
Still, the cost seems fair enough, and the defense counters do kind of feel adequate for Invasion of Kylem // Valor's Reach Tag Team
What there is exact info on is the custom backstory for these little guys and gals: it casts you as a "badass gingerbread force relentlessly destroying candy monstrosities" in "Sweettooth Village"
(7/14/2017) While resolving a cumulative upkeep trigger of a permanent, you'll fail to put a counter on that permanent, then you may pay for the age counters already on it