pokemon xy card packs TCG: Evolutions Booster Pack – Shopville extremely powerful cards in their own right Pokemon XY Phantom Forces Sleeved

Let's look at the rarity cost breakdown (includes reverse cards)

Youre mostly countering spells on your opponents turns anyways, and in a multiplayer formats, youve got several turns that arent yours where you could use Force of Negation

If we've played no other ramp, this means we'll have the potential to play a 6 cmc creature on turn 5, and by turn 7 have access to an additional 5 mana

Explorer is one clear example of a game mode in which players are asking (or, well, yelling may be a more accurate term, although some are resorting to humor) for more cards there's even a Support Ticket on the topic, with a lot of upvotes