Paying a Lot for a Little I dont know what you thought when you first saw this card, but I thought it looks pretty darned weak
As Wizards itself admits, the term 'proxy' can sometimes be used colloquially for either
For each heads, take a Water Energy from your Energy Zone and attach it to that Pokemon
If an effect allows a player to cast a spell without paying its mana cost, that player can't choose to cast it and pay its mana cost unless another rule or effect allows that player to cast it that way
Excalibur, Sword of Eden Giving +10/+0 and vigilance is a hell of an equipment bonus, and on a trample creature its often game over
One thing we've seen happen in the past is that when a popular supplemental product comes out shortly after a Standard set, the Standard set is sometimes forgotten and under-opened as everyone spends their money on the supplemental product