The term "defending player" in the myriad rules (or any other ability of an attacking creature) refers to the player the creature with myriad was attacking, the controller of the planeswalker it was attacking, or the protector of the battle it was attacking at the time the ability resolves
It contains some nostalgic reprints, such as Five-Headed Dragon and Cyber-Stein, as well as plenty of cards that are still useful, such as Artifact Lancea, Dinowrestler Pankratops, and main Sky Striker cards
Without the casualty, Cut Your Losses is Traumatize at one higher mana cost
I think it's worth it to run, because you have so many Tenyi cards, and this makes your big Tenyi combo plays way more common
A random screen in the first episode list duelists that Jack defeated during his reign as King, and their names are all parodies of characters' names from the original series
Charizard exs Ability of Infernal Reign is used to power itself up as soon as it evolves, attaching Fire energy cards to prepare its Burning Darkness attack