op 13 booster box pre order One Piece TCG The Theme for the Coming 3rd Anniversary is the Three Brothers One Piece Card Game Booster

Also, on your turn if your Digimon digivolves into one with the [Xros Heart] or [Hero] trait, you can rest this Tamer card to allow that Digimon to attack

send 1 Normal Monster from your hand or Deck to the GY, and if you do, the targeted monster gains ATK/DEF equal to the Level of the monster sent to the GY x 100, until the end of this turn (even if this card leaves the field)

This made it a great deck to pick up if you were impressed by the cards Kaiba played during the first episodes of Yu-Gi-Oh

Bolas's Citadel is perfect for it

You can even just set Tetra to be used to protect your Caduceus once it falls to the Graveyard