Quick comparison table (Pokemon vs MTG vs oops wrong sleeves) If you only remember one thing: Pokemon and MTG are Standard. Yu-Gi-Oh is the one that makes you accidentally buy the wrong sleeves at least once in your life
As with many of the various treatments seen in Magic, you can expect Confetti Foils to return if proven popular by players and could appear in a Secret Lair in the near future
On one side, it's a source of repeatable card draw, netting you an extra card each turn
When she attacks, you get to exile a legendary artifact or land from any graveyard, slapping a discovery counter on it while it is in exile, but only for this turn
And, whereas she can be a deceptively aggressive card, I believe K & T are much better suited to a nice, leisurely Group Hug game where everyone gets to draw a bunch of cards and cast all their spells