If the active player casts a spell that has retrace, that player may cast that card again after it resolves, before another player can remove the card from the graveyard
We want to get this thing onto the battlefield as early as we can, and most opponents are going to have a hard time dealing with a card that does so many things at once
Team Rocket's Mewtwo EX can't attack unless you have four or more Team Rocket's Pokmon in play, which limits how soon it can be played and what decks it can function in
And, of course, any cards that care about toughness will adore Ancient Adamantoise
Now I can actually confirm if I have a card or not - and not waste money buying a second or third copy
Previously available as a Japan-exclusive Easter promo card, it's hard to overstate just how pleased Pikachu looks in this image