phantasmal booster box "NEW" Opening Pokemon Mega Evolution Flames Ignite a Burning Spirit of Battle Pokemon Mega Evolution Phantasmal Flames

As a result, they wipe out the opponent's creatures, limit a foe's opportunities to attack, or flat-out counter their spells to slow the game down

This mark means a card is from the first print run of a card set, and that adds value and scarcity

Manufacturer: The Pokemon Company Int'l A Burst of Bravery with Mega Lucario ex

So, let's say that this card suddenly gets an Errata and now prevents both players from Special Summoning anything from the Extra Deck (Synchros, Xyz, Fusions and Pendulums )

When your opponent activates a card or effect in response to your activation of a Windwitch monster effect: Negate that opponents effect.