This is a frighteningly efficient card, and we'd be surprised if it didn't see a lot of play for some time to come
Shuffle 3 cards into the Deck (any combination of "D/D" monsters in your hand, field, or Graveyard, and/or "D/D" cards in your Pendulum Zone), then you can add 2 "D/D" monsters from your Deck to your hand
Sundering Titan Some of you may be wondering why such a strong card is so low on this list
Your goal is to have the least impact you can on the game, but you have to remove a rule that has some effect on game play
If you have a Fusion Monster in your field or GY: You can target 1 "Trickstar" monster in your GY
That's a powerful early play that can be pumped reliably with the fifth card drawn when you control your leader, and it cannot be blocked by any ground pounders or red flyers or reachers